19-Letter Words Containing: R,O,A,N
(In Any Order)
There are 178 19 letter words,
1,001 19 letter phrases and
0 19 letter abbr's with
R,O,A,N in.
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| Word | Save | Length | Usage | Points | Type | ||
|---|---|---|---|---|---|---|---|
We couldn't find any valid Scrabble US words with a length of 19. Try changing the version of the game.
Tip: Scrabble EU allows far more words than US! | |||||||
All 19 Letter Words
Words (178)
- sternocleidomastoid
- countertransference
- cinematographically
- pneumoencephalogram
- straightforwardness
- underrepresentation
- undemonstrativeness
- uncontrollabilities
- unapproachabilities
- ultrasegregationist
- ultracontemporaries
- tridimensionalities
- transubstantiations
- transmogrifications
- transformationalist
- territorializations
- superspecialization
- superadministrators
- revolutionarinesses
- reticuloendothelial
- representationalist
- representationalism
- reinstitutionalizes
- reinstitutionalized
- reindustrialization
- reconceptualization
- radioallergosorbent
- proletarianizations
- posttranscriptional
- postmillenarianisms
- polyesterifications
- photoreconnaissance
- photointerpretation
- photodisintegration
- photodisintegrating
- phosphomonoesterase
- phosphofructokinase
- phosphoenolpyruvate
- phonocardiographies
- phenylthiocarbamide
- pharmacodynamically
- perspicaciousnesses
- parthenogenetically
- paradichlorobenzene
- paleoanthropologist
- paleoanthropologies
- ovoviviparousnesses
- ovolactovegetarians
- overspecializations
- oversimplifications
- overrepresentations
- overproportionately
- overinterpretations
- overintellectualize
- overindustrializing
- overidentifications
- overgeneralizations
- overdifferentiation
- overcommercializing
- overclassifications
- overcentralizations
- overcapitalizations
- overambitiousnesses
- nonrelativistically
- nonenforceabilities
- neuropharmacologist
- neuropharmacologies
- neurofibromatosises
- mischaracterization
- micropaleontologist
- micropaleontologies
- microencapsulations
- microelectronically
- methylcholanthrenes
- magnetohydrodynamic
- irrecoverablenesses
- irreconcilabilities
- interstratification
- interorganizational
- interjurisdictional
- interferometrically
- intercommunications
- inconsideratenesses
- inappropriatenesses
- impressionistically
- impressionabilities
- immunoprecipitation
- immunoprecipitating
- hypersensitizations
- hyperemotionalities
- hyperconcentrations
- homotransplantation
- gastroenterologists
- gastroenterological
- extraordinarinesses
- expressionistically
- evapotranspirations
- electroretinography
- electroretinographs
- electronegativities
- electromechanically
- electromagnetically
- electrodynamometers
- electrodesiccations
- disproportionations
- dimethylnitrosamine
- departmentalization
- dendrochronological
- demonstrativenesses
- deindustrialization
- dehydrochlorination
- dehydrochlorinating
- cytodifferentiation
- crosslinguistically
- countersurveillance
- counterretaliations
- counterreformations
- counterprogrammings
- countermobilization
- counterinflationary
- counterdemonstrates
- counterdemonstrated
- counterculturalisms
- counterconspiracies
- counteradvertisings
- contradistinguishes
- contradistinguished
- contradistinctively
- contradictorinesses
- complementarinesses
- chromolithographing
- chlorofluoromethane
- chlorofluorocarbons
- bourgeoisifications
- authoritativenesses
- antirevolutionaries
- antifluoridationist
- antiferromagnetisms
- antidesertification
- anticonservationist
- anticholinesterases
- anthropomorphically
- anthropocentrically
- angiocardiographies
- adventuresomenesses
- xenotransplantation
- unproblematicalness
- ultracentrifugation
- three-dimensionality
- third-dimensionality
- tetrafluoroethylene
- tetrachloroethylene
- resorcinolphthalein
- professionalization
- professionalisation
- phenylpropanolamine
- otorhinolaryngology
- nonrepresentational
- mercury-contaminated
- large-capitalization
- large-capitalisation
- languedoc-roussillon
- interdenominational
- hysterosalpingogram
- hypolipoproteinemia
- hypoadrenocorticism
- hydroxytetracycline
- glottochronological
- echoencephalography
- cross-linguistically
- cross-classification
- counterdemonstrator
- contemporaneousness
- cartilaginification
- auriculoventricular
- anarcho-collectivism
- adrenocorticotropin
- adrenocorticotropic
Phrases (1001)
- zambian monetary unit
- zairese monetary unit
- vertical combination
- valentina tereshkova
- vaccinium corymbosum
- unix operating system
- university of chicago
- union representative
- unfavorable judgment
- ugandan monetary unit
- turkmen monetary unit
- turbo-propeller plane
- transmission channel
- transferred property
- trachinotus falcatus
- theory of inheritance
- temporal arrangement
- temperate rain forest
- television announcer
- taraxacum officinale
- sydney harbour bridge
- swedish monetary unit
- survivorship annuity
- subscription warrant
- subfamily potoroinae
- specific performance
- spanish monetary unit
- south american nation
- south american indian
- somatotropic hormone
- solitary confinement
- sir noel pierce coward
- sierra madre oriental
- shakespearean sonnet
- seventeen-year locust
- serbian monetary unit
- semi-circular bastion
- self-adapting program
- secondary censorship
- scleropages jardinii
- scandinavian country
- saprophytic organism
- santiago ramon y cajal
- russian monetary unit
- rotary international
- richard the lionheart
- restriction nuclease
- rejoicing over the law
- rabbi moses ben maimon
- quercus vaccinifolia
- program optimization
- program optimisation
- procrustean standard
- proboscidea arenaria
- prince fumimaro konoe
- pounds per square inch
- positive correlation
- point after touchdown
- pinion and crown wheel
- pilosella aurantiaca
- pierre-auguste renoir
- phytolacca americana
- physical restoration
- periarteritis nodosa
- pellaea rotundifolia
- pelecaniform seabird
- passionflower family
- passiflora incarnata
- part to whole relation
- organization expense
- operational casualty
- operational analysis
- operating capability
- olympic national park
- olfactory perception
- old world hop hornbeam
- north atlantic treaty
- norman mattoon thomas
- neurological disease
- network architecture
- nemine contradicente
- nancy freeman mitford
- myanmar monetary unit
- musical organization
- musical organisation
- muscular contraction
- monotropa hypopithys
- microtus richardsoni
- mexican monetary unit
- matrix transposition
- marmota flaviventris
- management personnel
- maltese monetary unit
- malpighian corpuscle
- malacosoma americana
- lonicera involucrata
- literary composition
- lesotho monetary unit
- leon battista alberti
- latvian monetary unit
- laotian monetary unit
- lagerstroemia indica
- kuwaiti monetary unit
- katherine anne porter
- kate o'flaherty chopin
- john edward masefield
- jean-jacques rousseau
- james fenimore cooper
- ivan petrovich pavlov
- italian monetary unit
- irrational hostility
- iranian monetary unit
- inspection and repair
- information bulletin
- indo-iranian language
- increasing monotonic
- in spite of appearance
- human papilloma virus
- helianthus tuberosus
- harmonic progression
- haitian monetary unit
- gossypium peruvianum
- giovanni da verrazano
- giles lytton strachey
- ghanian monetary unit
- gerard manley hopkins
- genus symphoricarpos
- genus sequoiadendron
- genus cryptobranchus
- genus branchiobdella
- genus arctostaphylos
- fuel consumption rate
- french polish shellac
- fortunella margarita
- florence nightingale
- fixed-cycle operation
- first vatican council
- finnish monetary unit
- favourable reception
- fagopyrum esculentum
- external respiration
- european central bank
- eudromias morinellus
- erinaceus europeaeus
- endothermic reaction
- electrical converter
- editorial department
- dreissena polymorpha
- dramatic performance
- dramatic composition
- diversionary landing
- distribution channel
- dioscorea paniculata
- dibranchiate mollusk
- diagnostic procedure
- department of english
- delusions of grandeur
- decreasing monotonic
- declaratory sentence
- dame jean iris murdoch
- cumberland mountains
- cryptomeria japonica
- crataegus oxyacantha
- coryphaena equisetis
- cornelius vanderbilt
- congressional record
- conditional contract
- compensatory damages
- collective agreement
- class chondrichthyes
- chromosomal mutation
- chinese monetary unit
- chimonanthus praecox
- charles munroe schulz
- charles farrar browne
- cease and desist order
- carthamus tinctorius
- carpinus caroliniana
- carpathian mountains
- carboniferous period
- capital of the ukraine
- capital of north korea
- capital of kyrgyzstan
- capital of california
- capital of azerbaijan
- cantabrian mountains
- canavalia ensiformis
- calycanthus floridus
- california buckthorn
- bronislaw malinowski
- broadcast journalist
- broad interpretation
- british monetary unit
- bond-trading activity
- begonia tuberhybrida
- battle of the granicus
- battle of marston moor
- battle of bannockburn
- barren ground caribou
- baroness karen blixen
- autotrophic organism
- authoritarian regime
- australian aborigine
- athyrium pycnocarpon
- asexual reproduction
- articles of agreement
- arithmetic operation
- archosaurian reptile
- arabidopsis thaliana
- aptenodytes forsteri
- appointment calendar
- antidiuretic hormone
- anti-takeover defense
- anterior crural nerve
- angolan monetary unit
- anglo-norman language
- andrew william mellon
- amplitude distortion
- alpine type of glacier
- alosa pseudoharengus
- alopecurus pratensis
- allium schoenoprasum
- alfred lothar wegener
- alfred edward housman
- aldous leonard huxley
- agrippina the younger
- advertising division
- adirondack mountains
- accounting principle
- abutilon theophrasti
- 2-hydroxybenzoic acid
- zygocactus truncatus
- zero-tolerance policy
- woodwardia virginica
- women's liberationist
- william the conqueror
- william sydney porter
- william le baron jenny
- william harrison hays
- wholesale price index
- whole to part relation
- white-crowned sparrow
- western pasqueflower
- western civilization
- western balsam poplar
- west indian snowberry
- water-soluble vitamin
- washington's birthday
- victory over japan day
- very important person
- vertical integration
- veronica officinalis
- verbascum phoeniceum
- ventral placentation
- vena musculophrenica
- vena gastroomentalis
- vena cerebri anterior
- vanguards of conquest
- valerianella locusta
- uvularia grandiflora
- urogenital apparatus
- urinary incontinence
- unsaturated compound
- uniform acceleration
- unformatted capacity
- unfavorable position
- underground railroad
- undercover operation
- unauthorized absence
- ulysses simpson grant
- turnip-rooted parsley
- turkish monetary unit
- tumor necrosis factor
- trophoblastic cancer
- trifolium incarnatum
- tricholoma sejunctum
- tricholoma populinum
- tricholoma aurantium
- treasury obligations
- transvaal kafferboom
- transmission density
- transit declinometer
- transfusion reaction
- tragopogon pratensis
- toxaemia of pregnancy
- toowomba canary grass
- tomasso parentucelli
- timothy francis leary
- thyrsopteris elegans
- thyme-leaved sandwort
- through bill of lading
- through an experiment
- threadleaf groundsel
- thought transference
- thomas woodrow wilson
- third lateran council
- thermal conductivity
- therapeutic abortion
- theory of gravitation
- theological doctrine
- theatre of operations
- theater of operations
- territorial dominion
- territorial division
- tephrosia virginiana
- tent-caterpillar moth
- temporary injunction
- tacoma narrows bridge
- systemic circulation
- system of measurement
- system administrator
- synesthetic metaphor
- susan b anthony dollar
- surgical suction pump
- surface assimilation
- supraglacial moraine
- sun protection factor
- suborder ornithopoda
- suborder nothosauria
- suborder maniraptora
- suborder gorgoniacea
- suborder blennioidea
- subclass pantotheria
- stokes-adams syndrome
- stinking bean trefoil
- step-down transformer
- stenocarpus sinuatus
- stenocarpus salignus
- st. thomas and principe
- spurious correlation
- spreading bellflower
- spousal relationship
- spontaneous abortion
- spherical aberration
- sphaeralcea coccinea
- spasmodic laryngitis
- southern spatterdock
- southern carpathians
- sophora secundiflora
- somatosensory system
- solanopteris bifrons
- sociology department
- sir arthur conan doyle
- sinus venosus sclerae
- singular proposition
- sierra lodgepole pine
- sideroblastic anemia
- shortleaf yellow pine
- shirodkar's operation
- sesbania grandiflora
- serbia and montenegro
- sequoia sempervirens
- sequoia national park
- sequential operation
- senecio triangularis
- secondary amenorrhea
- second earl of chatham
- second battle of ypres
- scorzonera hispanica
- scleroderma citrinum
- sciurus carolinensis
- schrodinger equation
- sceloporus undulatus
- savings account trust
- saurischian dinosaur
- satureja grandiflora
- sarcoscypha coccinea
- sanicula arctopoides
- salmon portland chase
- sacramento mountains
- rubus phoenicolasius
- round-the-clock patrol
- rotational nystagmus
- rose-colored starling
- roman catholic church
- robinia pseudoacacia
- robert burns woodward
- robert anson heinlein
- right coronary artery
- richardson's geranium
- richard milhous nixon
- richard iii of england
- rhamnus carolinianus
- rhamnus californicus
- rhagoletis pomonella
- rh-negative blood type
- reversionary annuity
- retromandibular vein
- retrobulbar neuritis
- retaliatory eviction
- restriction fragment
- respiratory quotient
- resistance pyrometer
- republic of venezuela
- republic of singapore
- republic of san marino
- republic of nicaragua
- republic of macedonia
- republic of lithuania
- republic of indonesia
- relational adjective
- regular dodecahedron
- regional anaesthesia
- refrigeration system
- refracting telescope
- redwood national park
- redirect examination
- recreational vehicle
- reconnaissance plane
- reciprocating engine
- rauwolfia serpentina
- ratibida columnifera
- ragged-fringed orchid
- radio interferometer
- racial extermination
- rachycentron canadum
- queen charlotte sound
- quadratic polynomial
- pythagorean triangle
- pyrophorus noctiluca
- pulmonary congestion
- pteropus hypomelanus
- prosecuting attorney
- proportional counter
- propellant explosive
- promotional material
- progressive vaccinia
- programming language
- proboscidea fragrans
- private investigator
- priodontes giganteus
- prince eugene of savoy
- primary dysmenorrhea
- president washington
- prepositional phrase
- prepositional object
- prefrontal leukotomy
- prefrontal leucotomy
- poterium sanguisorba
- potential difference
- postural hypotension
- posterior facial vein
- porphyrula martinica
- populus nigra italica
- polyprion americanus
- polypodium virgianum
- polygonatum biflorum
- polyarteritis nodosa
- polemonium caeruleum
- polanisia graveolens
- polanisia dodecandra
- point-and-shoot camera
- podocarpus elongatus
- platinum thermometer
- plate tectonic theory
- planck's radiation law
- pin-tailed sandgrouse
- phylum echinodermata
- photographic density
- photogelatin process
- photinia arbutifolia
- phonograph recording
- pholiota astragalina
- phineas taylor barnum
- pharyngeal consonant
- phantom limb syndrome
- petunia integrifolia
- personnel department
- personality disorder
- peronospora tabacina
- perognathus hispidus
- permanent injunction
- peristedion miniatum
- perceptual constancy
- pentobarbital sodium
- pentecostal religion
- penstemon serrulatus
- pennsylvanian period
- pelargonium peltatum
- pelargonium limoneum
- pelargonium hortorum
- pedionomus torquatus
- parkinsonia aculeata
- papaver californicum
- pan troglodytes verus
- palpebra conjunctiva
- paleo-amerind culture
- palace of westminster
- otto neumann sverdrup
- otto heinrich warburg
- osmanthus americanus
- oriental bittersweet
- order selaginellales
- order saprolegniales
- order peronosporales
- order pelecaniformes
- order hypermastigina
- order dinoflagellata
- order anthocerotales
- order anguilliformes
- order aepyorniformes
- orchis papilionaceae
- orange-blossom orchid
- operational calculus
- operating microscope
- operant conditioning
- olfactory impairment
- oleandra neriiformis
- ohio state university
- oenothera macrocarpa
- occupational therapy
- nuphar sagittifolium
- nucifraga columbiana
- nothofagus solanderi
- north american nation
- nonvascular organism
- nonrapid eye movement
- nonlinear distortion
- no matter what happens
- nine-banded armadillo
- nilo-saharan language
- nicandra physaloides
- new world least weasel
- nephrolepis exaltata
- negative correlation
- neftali ricardo reyes
- national park service
- national guard bureau
- narrow-leaf penstemon
- municipal government
- munchausen's syndrome
- multiple personality
- multiple correlation
- mountain parsley fern
- mountain everlasting
- mountain bladder fern
- motorcycle policeman
- motion-picture camera
- mother carey's chicken
- mortgage application
- morrison remick waite
- moreton bay tulipwood
- mononychus olecranus
- monomorium pharaonis
- monocular microscope
- monochromatic vision
- modern greek language
- mitral valve stenosis
- mirror-image relation
- mirabilis longiflora
- michinomiya hirohito
- mercator's projection
- membranous labyrinth
- medical practitioner
- mature-onset diabetes
- mass-action principle
- maryland golden aster
- mary flannery o'connor
- marquise de montespan
- marquise de maintenon
- marital relationship
- marcus cocceius nerva
- mandatory injunction
- managerial economics
- malvastrum coccineum
- magnolia macrophylla
- magnolia grandiflora
- magnetic line of force
- macular degeneration
- macroeconomic expert
- macadamia ternifolia
- louis comfort tiffany
- lotus tetragonolobus
- lord's resistance army
- lonicera caprifolium
- long-tailed porcupine
- long-billed marsh wren
- lolo-burmese language
- lobotes surinamensis
- lithophragma affinis
- lipid granulomatosis
- linguistic geography
- limestone salamander
- lieutenant commander
- libyan fighting group
- liatris pycnostachya
- lexington and concord
- leslie howard stainer
- lemmus trimucronatus
- legionnaires' disease
- legal representation
- leatherleaf wood fern
- law of thermodynamics
- latent schizophrenia
- laser interferometer
- large-leaved magnolia
- laissez-faire economy
- laburnum anagyroides
- knock-down-and-drag-out
- kinetic theory of heat
- juniperus silicicola
- junior featherweight
- judgement in personam
- joseph francis keaton
- johannes van der waals
- johannes peter muller
- job-oriented terminal
- jewish calendar month
- jerome david salinger
- jean honore fragonard
- jean edouard vuillard
- japanese archipelago
- james harvey robinson
- istiophorus albicans
- israeli monetary unit
- israeli defense force
- islands of langerhans
- inventory accounting
- intraocular pressure
- interpretive program
- international waters
- international system
- international flight
- international candle
- international ampere
- internal respiration
- internal failure cost
- insulin shock therapy
- inflammatory disease
- infant mortality rate
- indirect correlation
- indigofera tinctoria
- idiomatic expression
- hyperchromic anaemia
- hyman george rickover
- hydroxynervonic acid
- hydrangea petiolaris
- hottentot's bread vine
- horse-chestnut family
- holocanthus tricolor
- holarrhena pubescens
- highest common factor
- high-level formatting
- heteroscelus incanus
- heterophile antibody
- hermann von helmholtz
- hermann joseph muller
- hereditary condition
- hedysarum coronarium
- hayreddin barbarossa
- hans holbein the elder
- halogeton glomeratus
- haemulon macrostomum
- habenaria orbiculata
- habenaria leucophaea
- habenaria chlorantha
- gustatory perception
- gulf of saint lawrence
- guinean monetary unit
- guevina heterophylla
- growth-onset diabetes
- ground-effect machine
- greco-roman wrestling
- great smoky mountains
- gravitational theory
- grammatical relation
- grammatical cohesion
- grainy club mushrooms
- government officials
- governador valadares
- gossypium barbadense
- gonadotropic hormone
- glenn hammond curtiss
- geranium robertianum
- george otto trevelyan
- george bryan brummell
- geological formation
- genus staurikosaurus
- genus ruptiliocarpon
- genus psittacosaurus
- genus proterochampsa
- genus plesianthropus
- genus plasmodiophora
- genus photoblepharon
- genus periophthalmus
- genus parthenocissus
- genus ouranopithecus
- genus myrtillocactus
- genus mastigoproctus
- genus lemaireocereus
- genus heterocephalus
- genus hemipteronatus
- genus dendrocolaptes
- genus coccothraustes
- genus chordospartium
- genus chlamydosaurus
- genus chaetodipterus
- genus ceratostomella
- genus catoptrophorus
- genus castanospermum
- genus amorphophallus
- gentianopsis crinita
- gentianopsid procera
- genitourinary system
- general practitioner
- gaylussacia frondosa
- gastrocnemius muscle
- gardenia jasminoides
- gangrenous emphysema
- gambian monetary unit
- frequency modulation
- french-fried potatoes
- fraxinus caroliniana
- francois-marie arouet
- francisco jose de goya
- fourteenth amendment
- fouquieria splendens
- fluorocarbon plastic
- florida strangler fig
- floccose chanterelle
- floating-point number
- flagellate protozoan
- five-flowered gentian
- first lateran council
- first baron passfield
- first baron beveridge
- fifth lateran council
- fibrovascular bundle
- fermentation alcohol
- ferdinand julius cohn
- ferdinand ii of aragon
- family uranoscopidae
- family tribonemaceae
- family tenebrionidae
- family struthionidae
- family rhinolophidae
- family pomacentridae
- family pinnotheridae
- family orobanchaceae
- family monotropaceae
- family kinosternidae
- family indicatoridae
- family holocentridae
- family hemiprocnidae
- family dinornithidae
- family curculionidae
- family coryphaenidae
- family centropomidae
- external failure cost
- existential operator
- exchange transfusion
- eustoma grandiflorum
- european parsley fern
- european mountain ash
- european honeysuckle
- european bog asphodel
- european black grouse
- european beggar-ticks
- erythronium montanum
- erythrina lysistemon
- eriocaulon aquaticum
- erigeron aurantiacus
- equilibrium constant
- equal-area projection
- epitrochoidal engine
- episcia dianthiflora
- epidemic pleurodynia
- entrance examination
- encephalartos caffer
- employment agreement
- embryoma of the kidney
- emberiza schoeniclus
- elimination reaction
- elephantiasis scroti
- elementary education
- electronic messaging
- electron accelerator
- electromagnetic wave
- electromagnetic unit
- electrical condenser
- elanoides forficatus
- eigenvalue of a matrix
- eichhornia crassipes
- edward osborne wilson
- education department
- economics department
- economic libertarian
- eburophyton austinae
- eastern pasque flower
- dusicyon cancrivorus
- drepanocytic anaemia
- division chrysophyta
- division chlorophyta
- disk operating system
- diospyros virginiana
- dining-room attendant
- dicksonia antarctica
- diamondback terrapin
- diabetic retinopathy
- department of physics
- department of justice
- department of history
- department of defense
- department of biology
- demetrius i of macedon
- degree of a polynomial
- david oliver selznick
- daniel hudson burnham
- cypripedium montanum
- cypriot monetary unit
- cutleaved coneflower
- cristobal balenciaga
- criminal prosecution
- cotula coronopifolia
- corvus brachyrhyncos
- cortinarius gentilis
- cornelia otis skinner
- core shooting machine
- cordyline terminalis
- copernicia prunifera
- copernicia australis
- convolvulus arvensis
- conversation stopper
- controlled substance
- contraceptive method
- contraceptive device
- continental congress
- constantine the great
- conspiracy of silence
- conservative judaism
- conjunctivitis arida
- coniogramme japonica
- conformal projection
- confirmation hearing
- conditioned reaction
- conditional response
- conditional relation
- conditional reaction
- concurrent operation
- concessive adverbial
- computer-aided design
- computer programming
- compression fracture
- complementary angles
- compartment pressure
- community of scholars
- communication trench
- communication theory
- communicating artery
- commonwealth country
- common matrimony vine
- common grape hyacinth
- common carotid artery
- commodore vanderbilt
- collinsia parviflora
- clinical thermometer
- class anthoceropsida
- claes thure oldenburg
- cladonia rangiferina
- citellus richardsoni
- cinnamomum loureirii
- chronological record
- chronic renal failure
- chromosonal disorder
- chromatic aberration
- chloe anthony wofford
- chlamydosaurus kingi
- chilean monetary unit
- chenopodium vulvaria
- cheiranthus allionii
- chartered accountant
- charlestown navy yard
- charles robert darwin
- charles hardin holley
- charge account credit
- ceterach officinarum
- cerastium tomentosum
- centropistes striata
- central veins of liver
- central vein of retina
- centaurium calycosum
- centaurea gymnocarpa
- cellular respiration
- cayman islands dollar
- cation-exchange resin
- catastrophic illness
- cassiope mertensiana
- cartesian coordinate
- carpodacus mexicanus
- carpocapsa pomonella
- carlovingian dynasty
- carl clinton van doren
- carduelis hornemanni
- carbon tetrachloride
- carbohydrate loading
- caragana arborescens
- capacitor microphone
- campaign for governor
- calochortus kennedyi
- calocedrus decurrens
- california whipsnake
- california tree poppy
- california sagebrush
- california dandelion
- california buckwheat
- caesalpinia coriaria
- c. northcote parkinson
- buy-and-bust operation
- burrill bernard crohn
- bulletin board system
- bryanthus taxifolius
- broadcasting station
- broadcasting company
- broadcast scheduling
- broad-leaved plantain
- broad leaved centaury
- british commonwealth
- brightness constancy
- brick-molding machine
- brazilian potato tree
- brachiocephalic vein
- bouviers des flandres
- bougainvillea glabra
- boiling water reactor
- black-stem spleenwort
- biserial correlation
- biquadratic equation
- binocular microscope
- binge-eating syndrome
- bilingual dictionary
- big bend national park
- bartramia longicauda
- baron clive of plassey
- barbra joan streisand
- banksia integrifolia
- balkan mountain range
- baking-powder biscuit
- background radiation
- background knowledge
- automobile insurance
- australian sword lily
- australian hare's foot
- australian cockroach
- aureolaria virginica
- august von wassermann
- atriplex lentiformis
- astropogon stellatus
- astatic galvanometer
- aspiration pneumonia
- artemision at ephesus
- arrested development
- aromatic hydrocarbon
- arnold joseph toynbee
- arna wendell bontemps
- armillaria ponderosa
- argyrotaenia citrana
- arenaria caroliniana
- arctictis bintourong
- araucaria columnaris
- antonio gaudi i cornet
- anticholinergic drug
- anti-submarine rocket
- anthyllis barba-jovis
- antheropeas wallacei
- antheraea polyphemus
- anterior labial veins
- anterior jugular vein
- angular acceleration
- anglo-french language
- andropogon scoparius
- anatomical structure
- anatomical sphincter
- anatomical reference
- anaclitic depression
- amphibious operation
- american saddle horse
- american mountain ash
- american featherfoil
- american bog asphodel
- amaryllis belladonna
- alsobia dianthiflora
- allied command europe
- alliaria officinalis
- algorithmic language
- alfred bernhard nobel
- alexander ii of russia
- alex boncayao brigade
- afroasiatic language
- africanized honey bee
- aerobacter aerogenes
- adenanthera pavonina
- adams-stokes syndrome
- acute pyelonephritis
- acocanthera venenata
- accommodation reflex
- accommodation ladder
- acanthosis nigricans
- acanthisitta chloris
- absorption indicator
- aaron montgomery ward
- 1st baron beaverbrook
