20 Letter Words
There are
179 20-letter words,
1,842 20-letter phrases and
0 20-letter abbr's.
All 20 Letter Words
Words (179)
- counterrevolutionary
- uncharacteristically
- compartmentalization
- overenthusiastically
- institutionalization
- anthropomorphization
- hypercholesterolemia
- tetrahydrocannabinol
- internationalization
- electroencephalogram
- unsatisfactorinesses
- unrepresentativeness
- unintelligiblenesses
- underrepresentations
- unconscionablenesses
- uncompromisingnesses
- ultrasegregationists
- ultrarevolutionaries
- ultramicroscopically
- ultracentrifugations
- transformationalists
- syncategorematically
- superspecializations
- spectrophotometrical
- spectroheliographies
- spectrofluorometries
- roentgenographically
- representativenesses
- representationalists
- representationalisms
- reinstitutionalizing
- reindustrializations
- reconceptualizations
- radiopharmaceuticals
- radioimmunoassayable
- psychopharmacologist
- psychopharmacologies
- psychopathologically
- pseudosophistication
- pseudoparenchymatous
- pseudocholinesterase
- professionalizations
- polyphiloprogenitive
- plethysmographically
- photoreconnaissances
- photophosphorylation
- photointerpretations
- photodisintegrations
- photoautotrophically
- phosphomonoesterases
- phosphofructokinases
- phosphoenolpyruvates
- phosphatidylcholines
- philoprogenitiveness
- phenylthiocarbamides
- phenylpropanolamines
- parathyroidectomized
- paradichlorobenzenes
- paleoanthropologists
- overprotectivenesses
- overintellectualizes
- overintellectualized
- overdifferentiations
- nondestructivenesses
- nondenominationalism
- neuropsychiatrically
- neurophysiologically
- neuropharmacologists
- neuropharmacological
- neuroendocrinologist
- neuroendocrinologies
- mischaracterizations
- microphotometrically
- micropaleontologists
- micropaleontological
- microminiaturization
- microelectrophoretic
- microelectrophoresis
- microelectrophoreses
- microcrystallinities
- magnetofluiddynamics
- lymphogranulomatosis
- lymphogranulomatoses
- keratoconjunctivites
- irreproachablenesses
- irreconcilablenesses
- interstratifications
- interconnectednesses
- interchangeabilities
- intellectualizations
- indiscriminatenesses
- indestructiblenesses
- inconsiderablenesses
- inconsequentialities
- incomprehensibleness
- incommensurabilities
- inappreciativenesses
- immunoprecipitations
- immunocytochemically
- hypersensitivenesses
- hyperparathyroidisms
- hyperconsciousnesses
- hypercoagulabilities
- hypercholesterolemic
- hydrochlorothiazides
- homotransplantations
- histocompatibilities
- glomerulonephritides
- forethoughtfulnesses
- extemporaneousnesses
- expressionlessnesses
- existentialistically
- encephalomyocarditis
- electroretinographic
- electrophysiologists
- electrophysiological
- electrophotographies
- electrooculographies
- electroluminescences
- distinguishabilities
- dimethylnitrosamines
- departmentalizations
- deoxyribonucleotides
- deinstitutionalizing
- deindustrializations
- dehydrochlorinations
- cytodifferentiations
- crystallographically
- countertransferences
- countersurveillances
- countermobilizations
- counterintelligences
- counterdemonstrators
- counterdemonstrating
- counterconditionings
- conventionalizations
- contradistinguishing
- comprehensiblenesses
- chlorofluoromethanes
- chemotherapeutically
- bacteriochlorophylls
- antifluoridationists
- anticonservationists
- antiauthoritarianism
- anthropocentricities
- adrenocorticotropins
- adrenocorticosteroid
- acetylcholinesterase
- semiautobiographical
- pseudohermaphroditic
- paleoanthropological
- palatopharyngoplasty
- oophorosalpingectomy
- noninstitutionalized
- noninstitutionalised
- nephroangiosclerosis
- magnetohydrodynamics
- lipochondrodystrophy
- keratoconjunctivitis
- iodochlorhydroxyquin
- internationalisation
- indistinguishability
- incontrovertibleness
- immunohistochemistry
- hyperlipoproteinemia
- hyperadrenocorticism
- histoincompatibility
- heterobasidiomycetes
- electrocardiographic
- destructive-metabolic
- counterrevolutionist
- counterdemonstration
- counter-revolutionist
- compartmentalisation
- buckminsterfullerene
- antiestablishmentism
- adrenocorticotrophin
- adrenocorticotrophic
- abetalipoproteinemia
Phrases (1842)
- yellow-shafted flicker
- wyethia amplexicaulis
- woodrow wilson guthrie
- william wilkie collins
- william stanley jevons
- william rowan hamilton
- william lloyd garrison
- william le baron jenney
- william jennings bryan
- william hyde wollaston
- william henry harrison
- walther hermann nernst
- wallace hume carothers
- vladimir ilich ulyanov
- virgil garnett thomson
- vena brachiocephalica
- varicella zoster virus
- valvular incompetence
- unsaturated fatty acid
- university of nebraska
- unabridged dictionary
- ukranian monetary unit
- two-dimensional figure
- tunisian monetary unit
- tumour necrosis factor
- transportation system
- transparent substance
- transcendental number
- tibeto-burman language
- thousand and one nights
- thomas lanier williams
- theatrical production
- temperature reduction
- telopea speciosissima
- sweet-scented geranium
- susan brownell anthony
- suricata tetradactyla
- supplementary benefit
- superfamily coccoidea
- suborder strepsirhini
- suborder myxiniformes
- subclass lepidosauria
- subclass entomostraca
- subclass commelinidae
- stephen collins foster
- stephen butler leacock
- sphenisciform seabird
- southern united states
- south american country
- solidago multiradiata
- software optimization
- social justice warrior
- sir karl raimund popper
- sir james george frazer
- sir henry rider haggard
- sir charles wheatstone
- single-valued function
- single-reed instrument
- simple harmonic motion
- signature recognition
- sense of right and wrong
- selective information
- sedative-hypnotic drug
- security intelligence
- second lateran council
- second coming of christ
- scomberomorus regalis
- scomberomorus cavalla
- scipio africanus major
- scientific instrument
- school superintendent
- scandinavian language
- saturday night special
- saponaria officinalis
- samuel rawson gardiner
- salamandra salamandra
- saint peter the apostle
- sagittarius the archer
- saccharum officinarum
- round-table conference
- romanian monetary unit
- rocky mountain bighorn
- robert william service
- robert louis stevenson
- richard jordan gatling
- rhizopogon idahoensis
- resurrection of christ
- resident commissioner
- requirements contract
- republic of madagascar
- republic of kazakhstan
- republic of el salvador
- red-breasted merganser
- reconstruction period
- ralph vaughan williams
- racial discrimination
- quantitative relation
- psychological feature
- pseudotsuga menziesii
- prumnopitys taxifolia
- protective embankment
- protective coloration
- professional relation
- principle of parsimony
- prescription medicine
- practical application
- poor man's weatherglass
- pollachius pollachius
- politically incorrect
- political orientation
- platanus occidentalis
- plasminogen activator
- pierre simon de laplace
- phylogenetic relation
- photographic emulsion
- peruvian monetary unit
- personality inventory
- personal relationship
- permanganate of potash
- pere jacques marquette
- percussive instrument
- pelecanus onocrotalus
- past progressive tense
- pass with flying colors
- parthenium argentatum
- para aminobenzoic acid
- paleo-american culture
- out-of-court settlement
- oryctolagus cuniculus
- order sphenisciformes
- order myxobacteriales
- order mycelia sterilia
- order heterotrichales
- order actinomycetales
- order accipitriformes
- on the spur of the moment
- obstruction of justice
- nymphicus hollandicus
- nutritionist's calorie
- nigerian monetary unit
- nicolas de malebranche
- neisseria gonorrhoeae
- nasturtium officinale
- narthecium americanum
- multilinear evolution
- moroccan monetary unit
- moldovan monetary unit
- milton snavely hershey
- military intelligence
- military installation
- metallographic sample
- mercenaria mercenaria
- mental representation
- melolontha melolontha
- mediterranean anaemia
- mechanically skillful
- mathematical relation
- masticophis flagellum
- master of architecture
- market capitalisation
- marcus ulpius traianus
- marchantia polymorpha
- management consultant
- malawian monetary unit
- magnetic bubble memory
- madonna louise ciccone
- luscinia megarhynchos
- lunar excursion module
- ludwig mies van der rohe
- lubricating substance
- lophophora williamsii
- lophodytes cucullatus
- living accommodations
- linguistic competence
- ligamentum teres uteri
- levisticum officinale
- lebanese monetary unit
- law enforcement agency
- lateral epicondylitis
- large magellanic cloud
- klemens von metternich
- judgement on the merits
- judgement of dismissal
- joseph louis gay-lussac
- john lennon eyeglasses
- john kenneth galbraith
- jean-baptiste poquelin
- japanese stranglehold
- japanese monetary unit
- james marshall hendrix
- james harold doolittle
- jakob ludwig karl grimm
- islamic calendar month
- interrogative pronoun
- interphalangeal joint
- insurance underwriter
- instruction execution
- information gathering
- industrial management
- industrial enterprise
- indochinese peninsula
- indirect transmission
- hyperoodon ampullatus
- hylocichla fuscescens
- hylobates syndactylus
- hundred-and-forty-fifth
- hugo alvar henrik aalto
- honduran monetary unit
- homolosine projection
- henry valentine miller
- henry rowe schoolcraft
- henri toulouse-lautrec
- hendrik petrus berlage
- helladic civilization
- hawaiian honeycreeper
- hans christian oersted
- hamamelid dicot family
- gross national product
- government department
- glycerol tripalmitate
- gleditsia triacanthos
- giovanni da verrazzano
- gilbert charles stuart
- georges henri lemaitre
- george frideric handel
- georg philipp telemann
- geographic expedition
- genus phoenicophorium
- genus ornithorhynchus
- genus hamamelidanthum
- genus campylorhynchus
- gaultheria procumbens
- fundulus heteroclitus
- fundamental principle
- friendly relationship
- friedrich alfred krupp
- frederico garcia lorca
- fraud in the inducement
- frankenstein's monster
- fouquieria columnaris
- forficula auricularia
- flagellated protozoan
- filet de boeuf en croute
- ferdinand and isabella
- federation of malaysia
- father of the submarine
- family trachipteridae
- family tetraodontidae
- family tachyglossidae
- family strelitziaceae
- family pseudococcidae
- family phytolaccaceae
- family passifloraceae
- family myrmeleontidae
- family hippopotamidae
- family gleicheniaceae
- family gasterosteidae
- family dermochelyidae
- family convolvulaceae
- family chenopodiaceae
- family chaetodontidae
- family antilocapridae
- family amaryllidaceae
- evergreen bittersweet
- euphorbia pulcherrima
- euphorbia cyathophora
- eucalyptus calophylla
- estonian monetary unit
- eruca vesicaria sativa
- ernst heinrich haeckel
- endogenous depression
- emotional disturbance
- eleocharis acicularis
- electric refrigerator
- eicosapentaenoic acid
- egyptian monetary unit
- edward williams morley
- edward estlin cummings
- ecological succession
- eastern turki language
- dwarf flowering almond
- double-reed instrument
- division tracheophyta
- displacement reaction
- digitaria sanguinalis
- didelphis marsupialis
- dictionary definition
- dianthus caryophyllus
- device characteristic
- developmental anatomy
- demonstrative pronoun
- deliberative assembly
- degenerative disorder
- dean gooderham acheson
- dandie dinmont terrier
- ctenocephalides canis
- cross-florida waterway
- cortinarius violaceus
- corallorhiza maculata
- convolvulus scammonia
- contradiction in terms
- conservation of matter
- consecutive operation
- confession of judgment
- computer architecture
- comparative anatomist
- community of interests
- communication channel
- common european earwig
- commercial instrument
- commercial enterprise
- comedogenic substance
- clyde william tombaugh
- closure by compartment
- claude achille debussy
- classifying adjective
- classification system
- class monocotyledones
- class monocotyledonae
- class lamellibranchia
- class hemiascomycetes
- clarence shepard day jr.
- clarence malcolm lowry
- cinnamomum zeylanicum
- christopher isherwood
- chlamydia trachomatis
- charles sanders peirce
- charadrius morinellus
- centropus phasianinus
- catasetum macrocarpum
- cassius marcellus clay
- case-to-infection ratio
- carter administration
- carson smith mccullers
- cardinal compass point
- caprimulgus vociferus
- caprimulgus europaeus
- capital of switzerland
- capital of south dakota
- capital of south africa
- capital of sierra leone
- capital of saudi arabia
- capital of rhode island
- capital of north dakota
- capital of mississippi
- capital of connecticut
- capital of afghanistan
- cantharellus cibarius
- campanula pyramidalis
- calendula officinalis
- calcium octadecanoate
- byelorussian language
- business relationship
- business organization
- business organisation
- broadcast programming
- british pound sterling
- bread and butter pickle
- botswana monetary unit
- botaurus lentiginosus
- bolivian monetary unit
- blue ribbon commission
- black-capped chickadee
- beta vulgaris vulgaris
- bernard law montgomery
- benjamin henry latrobe
- behavior modification
- battle of flodden field
- basidiomycetous fungi
- barthold georg niebuhr
- baron snow of leicester
- balance sheet analysis
- balaenoptera physalus
- bahasa melayu language
- b-scan ultrasonography
- austrian monetary unit
- australian bonytongue
- augustin eugene scribe
- atmospheric condition
- asplenium ruta-muraria
- aspergillus fumigatus
- artemisia dracunculus
- artemisia californica
- armenian monetary unit
- archeological remains
- appendicular skeleton
- appalachian mountains
- apostle of the gentiles
- apium graveolens dulce
- anton pavlovich chekov
- antilocapra americana
- antigenic determinant
- antiballistic missile
- anna eleanor roosevelt
- anemopsis californica
- andrew fielding huxley
- amyloid protein plaque
- amsinckia grandiflora
- amphitheatrum flavium
- american harvest mouse
- american football game
- amelanchier alnifolia
- ambystomid salamander
- ambrose gwinett bierce
- ambloplites rupestris
- allium cepa aggregatum
- alice malsenior walker
- algerian monetary unit
- alfred north whitehead
- alexander iii of russia
- alessandro cagliostro
- albanian monetary unit
- aimee semple mcpherson
- agropyron intermedium
- ageratum houstonianum
- african-american music
- adenosine diphosphate
- acquisition agreement
- abortion-inducing drug
- aboriginal australian
- abelmoschus moschatus
- abbott lawrence lowell
- abatement of a nuisance
- a-scan ultrasonography
- zellig sabbatai harris
- zanthoxylum fraxineum
- zantedeschia rehmanii
- zalophus californicus
- yurak-samoyed language
- yosemite national park
- yellow-throated marten
- yellow-leaf sickle pine
- yellow-blue dichromacy
- xiphosurus polyphemus
- ximenesia encelioides
- xeroderma pigmentosum
- xenorhyncus asiaticus
- xanthosoma atrovirens
- xanthoma disseminatum
- wyethia helianthoides
- written communication
- world trade center site
- workmen's compensation
- word processing system
- woolsorter's pneumonia
- woodrow charles herman
- wolstonian glaciation
- wire-haired fox terrier
- wind cave national park
- william tatem tilden jr.
- william richard morris
- william nunn lipscom jr.
- william maxwell aitken
- william frederick cody
- william felton russell
- william dudley haywood
- william benjamin hogan
- willard van orman quine
- wilhelm richard wagner
- wilhelm konrad rontgen
- wild climbing hempweed
- white-throated sparrow
- white russian language
- white pine blister rust
- white dog's-tooth violet
- western ladies' tresses
- western honey mesquite
- west nile encephalitis
- west germanic language
- werner karl heisenberg
- welwitschia mirabilis
- welsh springer spaniel
- volvariella bombycina
- volume-detonation bomb
- voice in the wilderness
- vitelline circulation
- virginia spring beauty
- viola reichenbachiana
- vincetoxicum hirsutum
- vigdis finnbogadottir
- vice-presidential term
- vestibule of the vagina
- vesicoureteral reflux
- vermillion flycatcher
- verbesina encelioides
- vena supratrochlearis
- vena labialis superior
- vena labialis inferior
- vena intervertebralis
- vena gastrica sinistra
- vena facialis anterior
- vena circumflexa ilium
- vena cerebrum superior
- vena cerebrum internus
- vena centrales retinae
- vegetable hummingbird
- van de graaff generator
- valvular heart disease
- valerianella olitoria
- valeriana officinalis
- vaccinium macrocarpon
- vaccinium caespitosum
- ustilaginoidea virens
- unstratified language
- university of michigan
- universal proposition
- universal product code
- universal gas constant
- united states treasury
- united states congress
- united states civil war
- united states air force
- united church of christ
- ungradable opposition
- underwater archeology
- uncertainty principle
- ultraviolet radiation
- typhoid bacteriophage
- twenty-four hour period
- twelve tribes of israel
- turning and boring mill
- tsutsugamushi disease
- tropical pitcher plant
- tropaeolum peregrinum
- triostium perfoliatum
- trichosurus vulpecula
- trichomanes speciosum
- trichomanes reniforme
- tribromoethyl alcohol
- transversus abdominis
- transorbital lobotomy
- translucent substance
- transcortical aphasia
- tragelaphus eurycerus
- traditional knowledge
- track-to-track seek time
- trachurus symmetricus
- trachipterus arcticus
- trachinotus carolinus
- toy manchester terrier
- toxic industrial waste
- torpedo-boat destroyer
- tonsilla pharyngealis
- tongue and groove joint
- tolypeutes tricinctus
- tobias george smollett
- thysanopterous insect
- thyme-leaved speedwell
- three-banded armadillo
- thorstein bunde veblen
- thomas edward lawrence
- thomas augustus watson
- third battle of panipat
- thermonuclear warhead
- thermonuclear reactor
- thermocouple junction
- thermionic vacuum tube
- theory of preformation
- theory of dissociation
- theodore francis powys
- thelypteris palustris
- thelonious sphere monk
- the admirable crichton
- texas independence day
- ten-spined stickleback
- temporal lobe epilepsy
- television-camera tube
- television pickup tube
- television newscaster
- taurotragus derbianus
- tartarian honeysuckle
- tarchanoff phenomenon
- tanacetum camphoratum
- tamiasciurus douglasi
- tamandua tetradactyla
- talker identification
- talinum augustissimum
- tadarida brasiliensis
- tactical intelligence
- systeme international
- systema respiratorium
- synchronous operation
- synchronous converter
- symplocarpus foetidus
- sympathetic vibration
- sylvilagus floridanus
- swietinia macrophylla
- swan river everlasting
- swainsona grandiflora
- swainsona galegifolia
- survival of the fittest
- support vector network
- support vector machine
- superior rectus muscle
- superior labial artery
- superior cerebral vein
- superfamily tineoidea
- superfamily muscoidea
- sudanese monetary unit
- subphylum urochordata
- subornation of perjury
- suborder sciuromorpha
- suborder prosauropoda
- suborder plesiosauria
- suborder heterostraci
- suborder cephalaspida
- suborder anthropoidea
- subliminal perception
- subfamily taxodiaceae
- subfamily smilacaceae
- subfamily mimosoideae
- subfamily hydromyinae
- subfamily gerbillinae
- subfamily emberizinae
- subfamily emberizidae
- subfamily dracenaceae
- subfamily carpinaceae
- subfamily carduelinae
- subfamily cabombaceae
- subclass zoomastigina
- subclass telosporidia
- subclass malacostraca
- subclass exopterygota
- subclass discomycetes
- subclass dibranchiata
- subclass branchiopoda
- stylophorum diphyllum
- striated muscle tissue
- strawberry hemangioma
- stomatopod crustacean
- stock-purchase warrant
- sticherus flabellatus
- stephen arnold douglas
- steatornis caripensis
- statute of limitations
- statistical procedure
- statistical mechanics
- standard transmission
- staffordshire terrier
- st. gregory of nazianzen
- st. edward the confessor
- spodoptera frugiperda
- split-half correlation
- spiranthes porrifolia
- sphenoidal fontanelle
- special-interest group
- special duty allowance
- special drawing rights
- spartina cynosuroides
- south american sea lion
- source of illumination
- somatotrophic hormone
- somatic sensory system
- somalian monetary unit
- solidago sempervirens
- solid-propellant motor
- soleirolia soleirolii
- solanum melanocerasum
- solanaceous vegetable
- software optimisation
- sodium orthophosphate
- sodium lauryl sulphate
- social stratification
- social security number
- social anthropologist
- snake's head fritillary
- smiledon californicus
- small magellanic cloud
- slip-tongue log skidder
- slender-tailed meerkat
- sisymbrium officinale
- sir peter brian medawar
- sir oliver joseph lodge
- sir joseph john thomson
- sir james young simpson
- sir hiram stevens maxim
- sir harold walter kroto
- sir geoffrey wilkinson
- sipah-e-sahaba pakistan
- sinusoidal projection
- single-propeller plane
- single-breasted jacket
- silverleaf nightshade
- siderochrestic anemia
- sideroblastic anaemia
- short-billed marsh wren
- shipbuilding industry
- sexual discrimination
- sexual characteristic
- seriphidium maritimum
- senior master sergeant
- semiautomatic firearm
- self-propelled vehicle
- selaginella rupestris
- secretary of education
- secretarial assistant
- second vatican council
- second epistle of peter
- second earl of guilford
- second council of lyons
- seborrheic dermatitis
- scutigera coleoptrata
- scrutin de liste system
- scouting organization
- scleroderma flavidium
- scleroderma aurantium
- scintillation counter
- scintillating scotoma
- scientific discipline
- schizopetalon walkeri
- scheduled territories
- scheduled maintenance
- sceloglaux albifacies
- scaphiopus bombifrons
- scabiosa atropurpurea
- saxifraga stolonifera
- saxifraga sarmentosam
- satellite transmitter
- sanvitalia procumbens
- sansevieria zeylanica
- sanitation department
- salvinia rotundifolia
- salvelinus fontinalis
- salpichroa rhomboidea
- salix pendulina blanda
- salah al-din battalions
- saint james the apostle
- saint francis of assisi
- saint edward the martyr
- rumohra adiantiformis
- rubus idaeus strigosus
- round-spored gyromitra
- rocky mountains cherry
- rocky mountain dogbane
- robert charles venturi
- riot control operation
- richard erskine leakey
- richard errett smalley
- richard burdon haldane
- rhododendron viscosum
- revolutions per minute
- reversing thermometer
- reverse transcriptase
- reverberatory furnace
- reuben lucius goldberg
- restless legs syndrome
- respiratory infection
- respiratory alkalosis
- required reserve ratio
- republic of uzbekistan
- republic of tajikistan
- republic of seychelles
- republic of mozambique
- representative sample
- religious orientation
- red-breasted sapsucker
- recreational facility
- reconstructive memory
- reconnaissance by fire
- reciprocal inhibition
- reagan administration
- raphicerus campestris
- raphanus raphanistrum
- ranunculus sceleratus
- rank-order correlation
- ram's-head lady's slipper
- rabbit-eared bandicoot
- quercus muehlenbergii
- quercus grosseserrata
- quercus ellipsoidalis
- queensland bottletree
- quartermaster general
- quantitative analysis
- pyroelectric material
- pyridoxine 5'-phosphate
- pyramidal motor system
- purse-string operation
- purchasing department
- pulmonary circulation
- pulicaria dysenterica
- publius vergilius maro
- publius terentius afer
- public utility company
- pterocarpus marsupium
- psychopsis krameriana
- psychology department
- psychological warfare
- psychological science
- psychic communication
- pseudococcus fragilis
- pseudaletia unipuncta
- prunus cerasus marasca
- prunus cerasus austera
- prunus alleghaniensis
- proportional sampling
- profit and loss account
- professional football
- professional baseball
- processus coronoideus
- private security force
- principality of monaco
- principality of achaea
- prince-of-wales feather
- prince peter kropotkin
- prince fumimaro konoye
- primary solid solution
- primary color for light
- primary care physician
- prickly-seeded spinach
- price-to-earnings ratio
- president george w. bush
- present-tense morpheme
- premenstrual syndrome
- premature ejaculation
- potassium-argon dating
- potassium bicarbonate
- posttraumatic amnesia
- posterior labial veins
- postal rate commission
- positive-degree adverb
- positive magnetic pole
- portulaca grandiflora
- poronotus triacanthus
- populus grandidentata
- population commission
- popular struggle front
- polytechnic institute
- polystichum setiferum
- polystichum lonchitis
- polystichum aculeatum
- political correctness
- poinciana pulcherrima
- poecilogale albinucha
- podocarpus latifolius
- podocarpus ferruginea
- plexus periarterialis
- pleurotus phosphoreus
- pleuronectes platessa
- plectrophenax nivalis
- platymiscium pinnatum
- platycerium alcicorne
- platte river penstemon
- platanthera leucophea
- planographic printing
- plagianthus betulinus
- pityrogramma argentea
- pittsburgh of the south
- piranga flava hepatica
- piptadenia macrocarpa
- pipistrellus hesperus
- pilularia globulifera
- pilosella officinarum
- piezoelectric crystal
- pierre-joseph proudhon
- pierre charles l'enfant
- physostigma venenosum
- physiological anatomy
- physical anthropology
- phylum acanthocephala
- phylloxera vitifoleae
- phyllostomus hastatus
- phototrophic bacteria
- photographic material
- phlegmasia alba dolens
- phlebotomus papatasii
- philosophy department
- philip warren anderson
- philip dormer stanhope
- philadelphia fleabane
- phaseolus multiflorus
- phase iv clinical trial
- phase ii clinical trial
- phalaropus fulicarius
- phalaenopsis amabilis
- phacelia campanularia
- petaurista petaurista
- personal line of credit
- peronospora hyoscyami
- peromyscus gossypinus
- peritonsillar abscess
- perisoreus canadensis
- periplaneta americana
- percussion instrument
- perceptual experience
- penstemon whippleanus
- penstemon linarioides
- pennisetum americanum
- penicillin v potassium
- peltiphyllum peltatum
- pellicularia koleroga
- paul heinrich dietrich
- passive matrix display
- passiflora mollissima
- passiflora maliformis
- passiflora laurifolia
- particulate radiation
- parietomastoid suture
- parietal placentation
- paralichthys dentatus
- paper electrophoresis
- papaver heterophyllum
- paliurus spina-christi
- palestinian hizballah
- pagellus centrodontus
- pachyrhizus tuberosus
- oxyuranus scutellatus
- overflow incontinence
- over-the-counter market
- oscar palmer robertson
- ortilis vetula macalli
- orthophosphorous acid
- orthopedic foot insole
- orthogonal opposition
- orthodontic treatment
- organic brain syndrome
- oreortyx picta palmeri
- order torpediniformes
- order sphaerocarpales
- order scrophulariales
- order rhynchocephalia
- order pseudomonadales
- order pectinibranchia
- order of saint benedict
- order mycoplasmatales
- order lepidodendrales
- order jungermanniales
- order hymenogastrales
- order cycadofilicales
- order cilioflagellata
- order charadriiformes
- order blastocladiales
- order aristolochiales
- order aphyllophorales
- orange mushroom pimple
- ophthalmia neonatorum
- ophioglossum pendulum
- operation desert storm
- onobrychis viciifolia
- one-hundred-thousandth
- one hundred twenty-five
- one hundred thirty-five
- omnidirectional range
- old world white pelican
- old bulgarian language
- oceanic whitetip shark
- obtuse-angled triangle
- object of a preposition
- nycticorax nycticorax
- nurse-patient relation
- nuclear power industry
- notropis atherinoides
- northwest territories
- northern united states
- northern snow bedstraw
- northern pocket gopher
- northern jacob's ladder
- north island edelweiss
- north atlantic council
- north american country
- norethindrone acetate
- nonviolent resistance
- nonrestrictive clause
- nonmalignant neoplasm
- nonlinear correlation
- non-euclidean geometry
- niels henrik david bohr
- new zealand dacryberry
- new york stock exchange
- neurological disorder
- nerve block anesthesia
- nephrolepis pectinata
- nepalese monetary unit
- neophron percnopterus
- neoceratodus forsteri
- negotiable instrument
- negative magnetic pole
- necrotizing enteritis
- necrobiosis lipoidica
- narthecium ossifragum
- narrow-leaved reedmace
- narrow-leaved plantain
- naphthalene poisoning
- naive bayes classifier
- myrmecobius fasciatus
- myocardial infarction
- myeloblastic leukemia
- myelinated nerve fiber
- mycoplasmal pneumonia
- musical time signature
- musical accompaniment
- musculus sphincter ani
- musculophrenic artery
- mumification necrosis
- multivariate analysis
- multiple-furrow plough
- multichannel recorder
- mucuna pruriens utilis
- moving-coil microphone
- mountain standard time
- mountain lady's slipper
- mortise-and-tenon joint
- morphophonemic system
- morchella angusticeps
- monofocal lens implant
- monoblastic leukaemia
- monardella lanceolata
- moment magnitude scale
- molluscum contagiosum
- modified american plan
- modern hebrew language
- mock turtleneck collar
- mistletoe rubber plant
- missile defense system
- missile defence system
- mirabilis californica
- military headquarters
- mildred ella didrikson
- mikir-meithei language
- migratory grasshopper
- middle cerebral artery
- microsorium punctatum
- micropterus salmoides
- metrazol shock therapy
- method of least squares
- merluccius bilinearis
- meriones unguiculatus
- menyanthes trifoliata
- mentzelia laevicaulis
- menispermum canadense
- melville weston fuller
- melilotus officinalis
- megaloblastic anaemia
- medullated nerve fiber
- mediterranean cypress
- mediterranean anchovy
- medial geniculate body
- mechanical phenomenon
- maximilian's sunflower
- matrix multiplication
- matricaria chamomilla
- mathematical notation
- mathematical function
- masticophis lateralis
- maryland yellowthroat
- marketing information
- market capitalization
- maria meneghini callas
- marginal placentation
- marcus terentius varro
- manhattan clam chowder
- management consulting
- mammuthus primigenius
- malpractice insurance
- maidenhair spleenwort
- maianthemum canadense
- mahernia verticillata
- magnoliid dicot family
- magnetic dipole moment
- magnesium bicarbonate
- madagascar periwinkle
- macrotyloma uniflorum
- macrotus californicus
- macronectes giganteus
- macroclemys temmincki
- macrocheira kaempferi
- macadamia tetraphylla
- lysimachia terrestris
- lysimachia nummularia
- lysichiton americanum
- lyrurus mlokosiewiczi
- lymphopathia venereum
- lygodium microphyllum
- luis de gongora y argote
- lowest common multiple
- low-birth-weight infant
- louis victor de broglie
- louis eugene felix neel
- looseness of the bowels
- lonicera sempervirens
- lonicera periclymenum
- lofortyx californicus
- little lord fauntleroy
- liquid crystal display
- lipoid granulomatosis
- link-attached terminal
- lilium philadelphicum
- ligustrum ovalifolium
- liberal democrat party
- leucanthemum superbum
- leucanthemum lacustre
- leucaena leucocephala
- let the cat out of the bag
- lesser rhomboid muscle
- lesser prairie chicken
- leptotyphlops humilis
- lepidochelys olivacea
- leonotis nepetaefolia
- leonid ilyich brezhnev
- left atrium of the heart
- lecture demonstration
- leave no stone unturned
- leatherleaf saxifrage
- le chatelier principle
- lawyer-client relation
- lavandula officinalis
- lautaro youth movement
- laurence stephen lowry
- lasthenia chrysostoma
- lanceolate spleenwort
- laminar flow clean room
- lamina arcus vertebrae
- lambert-eaton syndrome
- laguncularia racemosa
- labiodental consonant
- krebs citric acid cycle
- kosteletzya virginica
- klinefelter's syndrome
- kingdom of saudi arabia
- kingdom of northumbria
- kinetic theory of gases
- ketosis-prone diabetes
- kenneth bancroft clark
- kennedy international
- kaspar friedrich wolff
- karen danielsen horney
- julius winfield erving
- judgment of conviction
- judge advocate general
- journalist's privilege
- joseph warren stilwell
- joseph rudyard kipling
- john augustus roebling
- john addington symonds
- jaundice of the newborn
- japanese umbrella pine
- japanese morning glory
- japanese angelica tree
- james maitland stewart
- james douglas morrison
- james abraham garfield
- isthmus of tehuantepec
- isovolumetric process
- isidor feinstein stone
- iron deficiency anemia
- intravenous pyelogram
- intravenous injection
- intransitive verb form
- intradermal injection
- intracranial aneurysm
- intracapsular surgery
- interplanetary medium
- international affairs
- internal revenue agent
- internal cerebral vein
- internal auditory vein
- intermaxillary suture
- intelligence quotient
- intelligence activity
- intellectual property
- inhalation anesthetic
- inhalation anesthesia
- inferior rectus muscle
- inferior labial artery
- inferior cerebral vein
- industrial revolution
- industrial psychology
- induction accelerator
- indo-european language
- inconvenience oneself
- inclination of an orbit
- incentive stock option
- imperial capacity unit
- immediate constituent
- immaculate conception
- igor yevgeneevich tamm
- identity verification
- hypothetical creature
- hyperkinetic syndrome
- hypericum virginianum
- hypericum tetrapterum
- hypericum spathulatum
- hypericum pyramidatum
- hypericum androsaemum
- hypentelium nigricans
- hymenoxys grandiflora
- hylophylax naevioides
- hylactophryne augusti
- hygrophorus marzuolus
- hygrophorus caeruleus
- hygrocybe acutoconica
- hydrofluosilicic acid
- hydroelectric turbine
- hydrilla verticillata
- hydraulic engineering
- hydrangea arborescens
- hydnocarpus wightiana
- hyacinthus orientalis
- husband-wife privilege
- hundred-and-sixty-fifth
- hundred-and-seventieth
- hundred-and-fifty-fifth
- humanistic discipline
- hugo von hoffmannsthal
- horizontal stabilizer
- horizontal stabiliser
- home theater projector
- histiocytic leukaemia
- hirschsprung's disease
- hippodamia convergens
- himantopus himantopus
- hillary rodham clinton
- hieracium aurantiacum
- hibiscus rosa-sinensis
- hexalectris warnockii
- heterodyne oscillator
- heterocyclic compound
- heteroclitic antibody
- herschelian telescope
- hermann wilhelm goring
- heritiera macrophylla
- heracleum sphondylium
- henry alfred kissinger
- hendrik antoon lorentz
- hemlock water dropwort
- helleborus orientalis
- helladic civilisation
- heliocentric parallax
- helianthus petiolaris
- heinrich theodor boell
- heinrich rudolph hertz
- heat of transformation
- heat of solidification
- harpullia cupanioides
- harkat-ul-jihad-e-islami
- hare's-foot bristle fern
- halicoeres bivittatus
- haemulon aurolineatum
- gyromitra californica
- gypsophila paniculata
- gutierrezia sarothrae
- gustav theodor fechner
- guillaume apollinaire
- guided missile frigate
- guided missile cruiser
- guernsey monetary unit
- gross domestic product
- griselinia littoralis
- gridiron-tailed lizard
- gregory goodwin pincus
- greatest common factor
- greater peritoneal sac
- great black-backed gull
- great australian bight
- granville stanley hall
- granulocytic leukemia
- graeco-roman wrestling
- gorilla gorilla grauri
- gooseneck loosestrife
- gonadotrophic hormone
- golden-crested kinglet
- golden-beard penstemon
- gnaphalium sylvaticum
- gnaeus pompeius magnus
- gnaeus julius agricola
- glycerol trimargarate
- glucose tolerance test
- glenn theodore seaborg
- gleichenia flabellata
- glaucous bristlegrass
- glandular labrador tea
- giovanni schiaparelli
- giovanni di bernardone
- giovanni battista cibo
- geranium richardsonii
- georgian monetary unit
- georges jacques danton
- george william russell
- georg friedrich handel
- geometric progression
- geological phenomenon
- geoffroea decorticans
- genus truncocolumella
- genus trachelospermum
- genus tabernaemontana
- genus reithrodontomys
- genus ptilonorhynchus
- genus pithecanthropus
- genus parathelypteris
- genus megalobatrachus
- genus hippoglossoides
- genus hamamelidoxylon
- genus gymnosporangium
- genus grammatophyllum
- genus gorgonocephalus
- genus fremontodendron
- genus entandrophragma
- genus ctenocephalides
- genus cryptacanthodes
- genus corynebacterium
- genus aspidophoroides
- genus argentinosaurus
- genus aegyptopithecus
- genus acanthoscelides
- gentiana quinquefolia
- gentiana pneumonanthe
- gaussian distribution
- gastrophryne olivacea
- gamma hydroxybutyrate
- galvanic skin response
- galeorhinus zyopterus
- gaius plinius secundus
- gaius cassius longinus
- fundamentals analysis
- fundamental frequency
- functional illiterate
- fritillaria micrantha
- fritillaria meleagris
- fritillaria liliaceae
- friedrich anton mesmer
- friction yielding prop
- frederick moore vinson
- frederic william goudy
- francis albert sinatra
- francesco della rovere
- fourth lateran council
- form genus rhizoctinia
- foreign correspondent
- foreground processing
- flowering wintergreen
- floating exchange rate
- flindersia schottiana
- flat-topped white aster
- fixed-combination drug
- fixed investment trust
- first council of nicaea
- first battle of bull run
- first baron rutherford
- financial institution
- file transfer protocol
- field press censorship
- fibrous-rooted begonia
- fiber optic microphone
- fetal alcohol syndrome
- fermi-dirac statistics
- ferdinand the catholic
- fenestra of the cochlea
- federal reserve system
- feast of the dedication
- farley maidenhair fern
- family zygophyllaceae
- family ustilaginaceae
- family uintatheriidae
- family trichodontidae
- family titanosauridae
- family thelephoraceae
- family tetragoniaceae
- family tenthredinidae
- family tecophilaeacea
- family synchytriaceae
- family strophariaceae
- family stercorariidae
- family scyliorhinidae
- family scombresocidae
- family sarraceniaceae
- family rickettsiaceae
- family rhodymeniaceae
- family rhizophoraceae
- family rhinocerotidae
- family rhincodontidae
- family rachycentridae
- family psilophytaceae
- family procellariidae
- family porcellionidae
- family pontederiaceae
- family plumbaginaceae
- family pleuronectidae
- family plethodontidae
- family plantaginaceae
- family phyllostomidae
- family pertusariaceae
- family peripatopsidae
- family pelecanoididae
- family ostraciontidae
- family osteoglossidae
- family opisthocomidae
- family ogcocephalidae
- family odontaspididae
- family mycetophylidae
- family micrococcaceae
- family menispermaceae
- family melampsoraceae
- family megalosauridae
- family megalonychidae
- family megadermatidae
- family marchantiaceae
- family lophosoriaceae
- family leiopelmatidae
- family kalotermitidae
- family iguanodontidae
- family hypodermatidae
- family hyperodontidae
- family hygrophoraceae
- family hydrochoeridae
- family hipposideridae
- family helodermatidae
- family hamamelidaceae
- family haloragidaceae
- family haemoproteidae
- family haematopodidae
- family gonorhynchidae
- family globigerinidae
- family fouquieriaceae
- family flacourtiaceae
- family eschrichtiidae
- family erethizontidae
- family entolomataceae
- family elaeocarpaceae
- family edaphosauridae
- family discoglossidae
- family daubentoniidae
- family cynocephalidae
- family cryptocercidae
- family cortinariaceae
- family chloranthaceae
- family chamaeleonidae
- family ceratodontidae
- family carcharhinidae
- family caprifoliaceae
- family calycanthaceae
- family callithricidae
- family brevicipitidae
- family bennettitaceae
- family belostomatidae
- family batrachoididae
- family bacteroidaceae
- family athiorhodaceae
- family aspergillaceae
- family asclepiadaceae
- family anarhichadidae
- family amphisbaenidae
- family ambystomatidae
- false lily of the valley
- extracapsular surgery
- extended care facility
- experimental variable
- executor-heir relation
- evergreen winterberry
- evergreen huckleberry
- evening trumpet flower
- european quaking aspen
- european pasqueflower
- european house cricket
- european black currant
- euproctis phaeorrhoea
- euphractus sexcinctus
- euphorbia helioscopia
- euphorbia cyparissias
- eupatorium cannabinum
- eumeces callicephalus
- eucalyptus pauciflora
- eucalyptus citriodora
- eucalyptus amygdalina
- eucalypt tereticornis
- estraterrestrial body
- eschrichtius robustus
- eschrichtius gibbosus
- escalope de veau orloff
- erythronium dens-canis
- erythrina vespertilio
- erythrina crista-galli
- erigonum fasciculatum
- erb-duchenne paralysis
- eragrostic abyssinica
- equality before the law
- epipactis helleborine
- epidemic encephalitis
- environmental science
- enteric-coated aspirin
- english cocker spaniel
- english cavalry saddle
- engelbert humperdinck
- endometrial carcinoma
- endamoeba histolytica
- enchanter's nightshade
- empiricist philosophy
- emmanthe penduliflora
- emil klaus julius fuchs
- emergency alert system
- elizabeth cady stanton
- elisabeth vigee-lebrun
- eleventh cranial nerve
- electrostatic printer
- electrostatic machine
- electronic transistor
- electronic instrument
- electronic dictionary
- electrical resistance
- electrical phenomenon
- electrical conduction
- electric dipole moment
- egyptian islamic jihad
- edward franklin albeen
- edward douglas white jr.
- edith giovanna gassion
- eczema hypertrophicum
- economic mobilization
- economic mobilisation
- echinochloa crusgalli
- echinocactus grusonii
- ecclesiastical attire
- eaton-lambert syndrome
- east germanic language
- dwarf golden chinkapin
- duke of argyll's tea tree
- dryopteris oreopteris
- dryopteris marginalis
- drumhead court-martial
- dramatic mezzo-soprano
- doxepin hydrochloride
- doubly transitive verb
- double-propeller plane
- double-breasted jacket
- double-blind procedure
- domestic silkworm moth
- dolichonyx oryzivorus
- doctoral dissertation
- doctor of public health
- division pteridophyta
- division euglenophyta
- division dicynodontia
- dissociative disorder
- dissociation constant
- dishwashing detergent
- disassortative mating
- direct supporting fire
- diplotaxis tenuifolia
- diplazium pycnocarpon
- dionysius i of syracuse
- dilleniid dicot family
- dilation and curettage
- digital communication
- differential equation
- differential calculus
- differential analyzer
- dieffenbachia sequine
- dicrostonyx hudsonius
- dichloroethyl sulfide
- diapheromera femorata
- desmanthus ilinoensis
- descriptive adjective
- derivative instrument
- department of commerce
- deoxyribonucleic acid
- demetrius poliorcetes
- demand for explanation
- delphinapterus leucas
- defensive attribition
- decapterus macarellus
- david herbert lawrence
- david glasgow farragut
- david barnard steinman
- david alfaro siqueiros
- darkling groung beetle
- dante gabriel rossetti
- daniel ortega saavedra
- dangerous undertaking
- dalbergia stevensonii
- daisy-leaved grape fern
- dacrydium cupressinum
- cystopteris bulbifera
- cypripedium calceolus
- cypripedium arietinum
- cyperus alternifolius
- cyclamen purpurascens
- cyclamen neopolitanum
- cyclamen hederifolium
- cycladic civilization
- cycladic civilisation
- cyamopsis psoraloides
- curly-coated retriever
- cultural anthropology
- cultivated strawberry
- ctenocephalides felis
- cruciferous vegetable
- crotalaria sagitallis
- croatian monetary unit
- criminal conversation
- creating by mental acts
- crataegus pedicellata
- crataegus biltmoreana
- count alessandro volta
- coumarone-indene resin
- cottrell precipitator
- cosmological constant
- cosmocampus profundus
- corypha umbraculifera
- corydalis claviculata
- cortinarius mutabilis
- correspondence school
- correspondence course
- corpuscular radiation
- coronary heart disease
- coral-root bittercress
- copperplate engraving
- coordination compound
- convergent strabismus
- contingency procedure
- continental breakfast
- contextual definition
- conte alessandro volta
- constructive eviction
- construction industry
- constantine i of greece
- constant acceleration
- conservation of parity
- conservation of energy
- conservation of charge
- congregational church
- congratulatory letter
- conduction anesthesia
- conditioned avoidance
- concurrent negligence
- compensatory spending
- compact disc write-once
- common snapping turtle
- common carline thistle
- commodore barry bridge
- commencement exercise
- commencement ceremony
- command sergeant major
- command line interface
- combretum appiculatum
- column chromatography
- colour television tube
- colorimetric analysis
- colorado potato beetle
- collegiate dictionary
- collective bargaining
- codariocalyx motorius
- clustered poppy mallow
- clostridium botulinum
- close-quarter fighting
- clopidogrel bisulfate
- clintonia andrewsiana
- clinical psychologist
- clement richard attlee
- claytonia caroliniana
- classical haemophilia
- clarence seward darrow
- clandestine operation
- citrophilous mealybug
- cistothorus platensis
- cistothorus palustris
- church slavic language
- chrysophyllum cainito
- chrysophrys australis
- chrysanthemum segetum
- chrysanthemum maximum
- chrosomal abnormality
- chronic kidney failure
- chromatography column
- chloroxylon swietenia
- chionochloa conspicua
- chinese water chestnut
- chinese black mushroom
- chilomeniscus cinctus
- chester william nimitz
- chenopodium capitatum
- chemnitzer concertina
- check overdraft credit
- charles robert redford
- charles dillon stengel
- cervical root syndrome
- cervical disc syndrome
- certificate of deposit
- cerebellar hemisphere
- cephalopterus ornatus
- centrolobium robustum
- central nervous system
- centaurium scilloides
- celastrus orbiculatus
- celastric articulatus
- castanea chrysophylla
- caspar friedrich wolff
- carya myristiciformis
- carpal tunnel syndrome
- carolina spring beauty
- cardiovascular system
- cardinalis cardinalis
- cardiac resuscitation
- cardiac insufficiency
- carcharhinus plumbeus
- carcharhinus obscurus
- carcharhinus limbatus
- capsicum annuum longum
- cantharellus clavatus
- canebrake rattlesnake
- canalis cervicis uteri
- canachites canadensis
- campanula aparinoides
- calostoma cinnabarina
- calochortus nuttallii
- callirhoe triangulata
- callirhoe involucrata
- california four o'clock
- california false morel
- calculus of variations
- calcium-silicate brick
- caffeine intoxication
- caesalpinia gilliesii
- bullet fingerprinting
- brush-tailed porcupine
- brush-tailed phalanger
- brush-footed butterfly
- brugmansia suaveolens
- broad-leaved twayblade
- broad leaved goldenrod
- british virgin islands
- brassaia actinophylla
- boykinia occidentalis
- boy orator of the platte
- botrychium multifidum
- bosnia and herzegovina
- boletus pulverulentus
- bluethroat pikeblenny
- blue-eyed african daisy
- blastodermic vessicle
- black-footed albatross
- black-and-tan coonhound
- black peppercorn vodka
- bittersweet chocolate
- biscayne national park
- birth-control reformer
- bioelectric potential
- biochemical mechanism
- binomial distribution
- bilaterally symmetric
- betula alleghaniensis
- benjamin david goodman
- belle miriam silverman
- begonia semperflorens
- begonia heracleifolia
- begonia erythrophylla
- battle of hampton roads
- basal body temperature
- bartolommeo eustachio
- baroness emmusca orczy
- balaenoptera musculus
- balaenoptera borealis
- badlands national park
- background processing
- bachelor of literature
- baccharis halimifolia
- azerbajdzhan republic
- avicennia officinalis
- aversive conditioning
- automotive technology
- austronesian language
- australian turtledove
- australian nettle tree
- australian labor party
- australian coral snake
- australian blacksnake
- atrioventricular node
- atlantic standard time
- atlantic spiny dogfish
- ateria gastrica dextra
- astrophyton muricatum
- astreus hygrometricus
- asplenium trichomanes
- asplenium platyneuron
- asparagus officinales
- asclepias curassavica
- asarum shuttleworthii
- arthur jacob arshawsky
- artery of the penis bulb
- artery of the labyrinth
- arteria intercostalis
- artemisia stelleriana
- artemisia ludoviciana
- artemisia gnaphalodes
- artaxerxes ii of persia
- arrhenatherum elatius
- army of the confederacy
- armored combat vehicle
- ariocarpus fissuratus
- arenaria groenlandica
- ardisia escallonoides
- arctostaphylos alpina
- arctic ground squirrel
- arceuthobium pusillum
- aposematic coloration
- apodictic proposition
- apalachicola rosemary
- antonius stradivarius
- antitrust legislation
- antiophthalmic factor
- antihypertensive drug
- antihemophilic factor
- anti-inflammatory drug
- anti-ballistic missile
- anthriscus sylvestris
- anterior cerebral vein
- anterior cardinal vein
- anogramma leptophylla
- annual salt-marsh aster
- anne dudley bradstreet
- angle-closure glaucoma
- angelica archangelica
- andropogon virginicus
- andrew jackson downing
- ancient greek language
- anaphylactic antibody
- american water spaniel
- american sign language
- american quaking aspen
- american pasqueflower
- american angelica tree
- ambrosia psilostachya
- amaranthus graecizans
- alimentary tract smear
- alexander archipelago
- aldrovanda vesiculosa
- albatrellus dispansus
- airborne transmission
- air force space command
- agropyron subsecundum
- agropyron pauciflorum
- agriculture secretary
- agricultural labourer
- aglaomorpha meyeniana
- african bowstring hemp
- affine transformation
- aeronautical engineer
- adverbial of condition
- aden-abyan islamic army
- adam's needle-and-thread
- acute myeloid leukemia
- acacia auriculiformis
- abu nidal organization
- abdominal nerve plexus
- 2-methylpropenoic acid
