18-Letter Words Containing: O,A,R,A
(In Any Order)
There are 153 18 letter words,
1,001 18 letter phrases and
0 18 letter abbr's with
O,A,R,A in.
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| Word | Save | Length | Usage | Points | Type | ||
|---|---|---|---|---|---|---|---|
We couldn't find any valid Scrabble US words with a length of 18. Try changing the version of the game.
Tip: Scrabble EU allows far more words than US! | |||||||
All 18 Letter Words
Words (153)
- internationalizing
- hypercoagulability
- compartmentalizing
- transubstantiation
- transmogrification
- psychopharmacology
- unreasonablenesses
- uniformitarianisms
- ultrasophisticated
- ultrarevolutionary
- ultramicroscopical
- ultraconservatives
- ultraconservatisms
- triskaidekaphobias
- transportabilities
- transistorizations
- transilluminations
- transformationally
- theatricalizations
- supranationalities
- superadministrator
- subcategorizations
- structuralizations
- satisfactorinesses
- rhabdomyosarcomata
- revascularizations
- representationally
- renationalizations
- rehospitalizations
- recrystallizations
- rechromatographing
- rechromatographies
- radiochromatograms
- psychobiographical
- pseudoparenchymata
- provincializations
- propagandistically
- proletarianization
- postmillenarianism
- polychromatophilia
- photoreactivations
- phonocardiographic
- pheochromocytomata
- particularizations
- ovolactovegetarian
- overspecialization
- overgeneralization
- overextrapolations
- overclassification
- overcentralization
- oscillographically
- orthogonalizations
- nonfraternizations
- nonconfrontational
- noncomparabilities
- nonarbitrarinesses
- nonanthropological
- neuropharmacologic
- misadministrations
- microradiographies
- micromanipulations
- microencapsulation
- microencapsulating
- metallographically
- melodramatizations
- maladministrations
- magnetoresistances
- macrophotographies
- macroglobulinemias
- lymphangiographies
- lumpenproletariats
- lipopolysaccharide
- irreproachableness
- internationalities
- internationalising
- industrializations
- impersonalizations
- hyperrationalities
- hyperpolarizations
- hypernationalistic
- hyperalimentations
- hydrometallurgical
- fractionalizations
- evapotranspiration
- electrocardiograms
- echocardiographies
- echocardiographers
- dextroamphetamines
- depersonalizations
- dematerializations
- decriminalizations
- counterretaliation
- counterpropagandas
- countereducational
- counteradaptations
- counteraccusations
- conversationalists
- congregationalists
- congregationalisms
- compartmentalising
- commercializations
- claustrophobically
- cantankerousnesses
- bureaucratizations
- biotransformations
- biodegradabilities
- autobiographically
- australopithecines
- astrophotographies
- astrophotographers
- archaeoastronomies
- antidiscrimination
- anticommercialisms
- antiadministration
- angiocardiographic
- anagrammatizations
- aerothermodynamics
- unsatisfactoriness
- ultranationalistic
- tetrachloromethane
- territorialization
- territorialisation
- spectrographically
- saccharomycetaceae
- radiocommunication
- pteridospermaphyta
- plasmodiophoraceae
- palaeoanthropology
- pachycephalosaurus
- overcapitalization
- overcapitalisation
- noninterchangeable
- muscivora-forficata
- mucopolysaccharide
- laryngopharyngitis
- lacto-vegetarianism
- internationalistic
- hypoparathyroidism
- governorate-general
- fibrocartilaginous
- enterobacteriaceae
- electrocardiograph
- echoencephalograph
- diethylmalonylurea
- cryptogrammataceae
- corynebacteriaceae
- chemotherapeutical
- calymmatobacterium
- ballistocardiogram
- antiferromagnetism
- anticholinesterase
- anti-traditionalism
- adenocarcinomatous
Phrases (1001)
- wisteria floribunda
- vladimir mayakovsky
- upton beall sinclair
- typographical error
- tuamotu archipelago
- triglochin maritima
- treaty of versailles
- translating program
- tichodroma muriaria
- thomas wright waller
- theoretical account
- syzygium aromaticum
- syrian monetary unit
- suborder clamatores
- suborder anisoptera
- star-shaped fortress
- social organization
- social organisation
- sir arthur john evans
- setophaga ruticilla
- sergei rachmaninoff
- second cranial nerve
- samolus parviflorus
- royal academy of arts
- rhetorical language
- republic of paraguay
- relocatable program
- relaxation behavior
- rabindranath tagore
- qatari monetary unit
- proposal of marriage
- programing language
- private corporation
- polianthes tuberosa
- pinicola enucleator
- piano transcription
- physical attraction
- phylum coelenterata
- phoenix dactylifera
- papuan monetary unit
- ottmar mergenthaler
- ostrya carpinifolia
- oscar hammerstein ii
- order sauropterygia
- order sarraceniales
- order sarcosporidia
- order ichthyosauria
- order eubacteriales
- on an irregular basis
- oil-industry analyst
- oenothera fruticosa
- occupational hazard
- neapolitan ice cream
- national censorship
- nathaniel hawthorne
- narcotic antagonist
- myrmecophaga jubata
- musical performance
- mordvinian language
- morchella crassipes
- molar concentration
- molal concentration
- modal auxiliary verb
- midterm examination
- member of parliament
- meleagris gallopavo
- meconopsis cambrica
- material possession
- master of literature
- mary wollstonecraft
- marianne craig moore
- manganese tetroxide
- make a clean breast of
- major tranquillizer
- magnetic attraction
- macrozamia communis
- loranthus europaeus
- latrodectus mactans
- lachrymal secretion
- kenyan monetary unit
- john orley allen tate
- joel chandler harris
- irvingia gabonensis
- international scale
- installation charge
- indian monetary unit
- ideological barrier
- houses of parliament
- hindu calendar month
- heat of vaporization
- heat of vaporisation
- health professional
- health care provider
- harold clayton lloyd
- hand-to-hand struggle
- gustatory sensation
- green mountain state
- great pyramid of giza
- gravitational force
- gravitational field
- graphical recording
- glandular carcinoma
- giambattista marino
- george simon kaufman
- george michael cohan
- geographical region
- genus styracosaurus
- genus saccharomyces
- genus phalacrocorax
- genus encephalartos
- genus archaeopteryx
- genetic abnormality
- garcinia mangostana
- gallinula chloropus
- fricative consonant
- francis ford coppola
- fourth cranial nerve
- fortunella japonica
- female genital organ
- favorable reception
- family scorpaenidae
- family loranthaceae
- family heteromyidae
- eusebius of caesarea
- european water ouzel
- european goatsucker
- euphorbia marginata
- eriobotrya japonica
- erinaceus europaeus
- erigeron canadensis
- envoy extraordinary
- electronic database
- education secretary
- eastern ground snake
- dylan marlais thomas
- double-deck carriage
- donato di betto bardi
- division eubacteria
- disagreeable person
- directional antenna
- denali national park
- danish monetary unit
- dame joan sutherland
- cyanocitta cristata
- crotalus scutulatus
- create from raw stuff
- crataegus oxycantha
- corrugated fastener
- constantin brancusi
- conservation of mass
- comptonia peregrina
- compression bandage
- common american shad
- commissaire maigret
- commercial activity
- class gastromycetes
- chromosomal anomaly
- chemical operations
- chemical attraction
- ceremonial occasion
- carrying into action
- carl gustaf mosander
- capital of nicaragua
- capital of new jersey
- capital of cape verde
- capital of australia
- capital of argentina
- california white oak
- bush administration
- break someone's heart
- bombycilla garrulus
- blood extravasation
- biological research
- bignonia capreolata
- battle of tannenberg
- battle of lule burgas
- battle of brunanburh
- banana passion fruit
- auxiliary operation
- authoritarian state
- attestation service
- astronomy satellite
- assyrian neo-aramaic
- aruban monetary unit
- artocarpus communis
- arthur schopenhauer
- artemisia filifolia
- armoracia rusticana
- antineoplastic drug
- antilope cervicapra
- antiberiberi factor
- anterior fontanelle
- anisette de bordeaux
- andropogon gerardii
- andromeda polifolia
- andrija mohorovicic
- anamnestic reaction
- analysis of variance
- amphibious aircraft
- american revolution
- amaranthus spinosus
- alytes obstetricans
- alpinia officinarum
- algorithmic program
- alexander woollcott
- alexander i of russia
- agropyron cristatum
- afghan monetary unit
- administrative body
- acoustic gramophone
- accounting standard
- accordance of rights
- acadia national park
- yellow-breasted chat
- wynnea sparassoides
- writ of habeas corpus
- willie howard mays jr.
- western mountain ash
- western diamondback
- weather forecasting
- water-milfoil family
- water-cooled reactor
- wankel rotary engine
- wandering albatross
- walter john de la mare
- volumetric analysis
- vocational training
- virginia crownbeard
- vespula maculifrons
- veronica chamaedrys
- veronica beccabunga
- vena supraorbitalis
- vascular prosthesis
- vascular hemophilia
- varanus komodoensis
- valedictory speaker
- valedictory oration
- valedictory address
- vaccinium scoparium
- vaccinia gangrenosa
- uveoscleral pathway
- upholstery material
- united states dollar
- uniocular dichromat
- unilateral contract
- underground railway
- tyrannus vociferans
- tussock caterpillar
- tropical rain forest
- trimorphodon lambda
- trichostema lanatum
- tricholoma venenata
- tricholoma vaccinum
- tricholoma pardinum
- trichloracetic acid
- trend extrapolation
- transfiguration day
- transfer of training
- tragelaphus buxtoni
- toxemia of pregnancy
- totalitation regime
- torreya californica
- topographic anatomy
- tongan monetary unit
- tobacco mosaic virus
- tiarella unifoliata
- tiarella cordifolia
- thujopsis dolobrata
- threatened abortion
- thomas stearns eliot
- thomas gainsborough
- third baron rayleigh
- thevetia neriifolia
- thermobia domestica
- theatrical producer
- theater of the absurd
- the great starvation
- thamnophis sirtalis
- thamnophis sauritus
- thalamostriate vein
- textual scholarship
- tellima grandiflora
- tectaria macrodonta
- taxodium mucronatum
- taraxacum kok-saghyz
- taraktogenos kurzii
- taraktagenos kurzii
- tall gallberry holly
- talk through one's hat
- tactual exploration
- systema urogenitale
- synaptomys borealis
- synanceja verrucosa
- symphoricarpos alba
- supratrochlear vein
- superior labial vein
- superfamily apoidea
- superannuation fund
- suborder tarsioidea
- suborder ruminantia
- suborder nematocera
- suborder lacertilia
- suborder gorgonacea
- suborder ceratopsia
- suborder carnosaura
- suborder alcyonacea
- subfamily dorylinae
- subfamily acoraceae
- storage-battery grid
- stochastic variable
- stellar association
- starvation acidosis
- standard atmosphere
- spanish oyster plant
- southern maidenhair
- sonora semiannulata
- solar thermal system
- solar magnetic field
- solanum carolinense
- social anthropology
- smilax rotundifolia
- small cell carcinoma
- silver-leaved poplar
- signal-to-noise ratio
- sidalcea malviflora
- siberian wall flower
- shortia galacifolia
- short gastric artery
- shorea teysmanniana
- shaggymane mushroom
- sexual relationship
- sex-change operation
- serratula tinctoria
- semaphore telegraph
- secretary of the navy
- secondary education
- secobarbital sodium
- scopolia carniolica
- scleroderma bovista
- scale of measurement
- saxifraga hypnoides
- sarcophilus hariisi
- sarcophaga carnaria
- saratoga spittlebug
- sarah kemble siddons
- sao tome and principe
- sao bernardo do campo
- salicornia europaea
- salamandra maculosa
- saint teresa of avila
- sailor's breastplate
- sacrifice operation
- sacramento sturgeon
- rudolf karl bultmann
- round-tailed muskrat
- ronald wilson reagan
- rocky-mountain maple
- rockingham podocarp
- robert j. van de graaff
- robert bruce mathias
- riemannian geometry
- richea pandanifolia
- richard ii of england
- rhododendron maxima
- rhodesian ridgeback
- rhodanthe manglesii
- rhizomatous begonia
- rhizoctinia disease
- revaluation reserve
- reticular formation
- respiratory disease
- research laboratory
- republic of bulgaria
- republic of botswana
- relative atomic mass
- relational database
- regular tetrahedron
- regular icosahedron
- regression analysis
- regional anesthesia
- reductio ad absurdum
- recreation facility
- ray douglas bradbury
- ratibida columnaris
- rate of depreciation
- random-access memory
- ramsay hunt syndrome
- radiation pyrometer
- rachel louise carson
- quadraphonic system
- pyrrhuloxia sinuata
- pyrola rotundifolia
- pyorrhea alveolaris
- pus-forming bacteria
- pulmonary emphysema
- public relations man
- pterocnemia pennata
- psychotria capensis
- psoriatic arthritis
- prunus laurocerasus
- prunus angustifolia
- proto-norse language
- prosopis glandulosa
- proportional sample
- professional dancer
- prince-of-wales'-heath
- prince of wales heath
- president john adams
- prairie golden aster
- potentilla anserina
- potato scab bacteria
- potassium carbonate
- portuguese man-of-war
- portuguese language
- pork-and-veal goulash
- populus trichocarpa
- populus balsamifera
- poncirus trifoliata
- pomatomus saltatrix
- polyunsaturated fat
- political commissar
- police headquarters
- polaroid land camera
- plumeria acutifolia
- platanus orientalis
- platanus acerifolia
- platanthera bifolia
- platalea leucorodia
- plains lemon monarda
- piranga ludoviciana
- pinus californiarum
- pine-barren sandwort
- pierre-simon laplace
- pickeringia montana
- phyllostachys nigra
- phyllostachys aurea
- phyllodoce caerulea
- photographic camera
- phaseolus caracalla
- phaseolus angularis
- phalacrocorax carbo
- pezophaps solitaria
- periodontal disease
- peperomia sandersii
- paumotu archipelago
- partial correlation
- part-of-speech tagger
- parsley-leaved thorn
- parkinsonia florida
- parathyroid hormone
- parathion poisoning
- parascalops breweri
- parallel processing
- parallel of latitude
- paracentral scotoma
- parabolic reflector
- paprilus alepidotus
- pancreatic fibrosis
- palestine authority
- paleo-indian culture
- palace of versailles
- oriental arborvitae
- oreamnos americanus
- order ustilaginales
- order tubulidentata
- order stegocephalia
- order polymastigina
- order plumbaginales
- order plantaginales
- order marchantiales
- order haplosporidia
- order haemosporidia
- order aspergillales
- order actinomyxidia
- orange horseshoe bat
- operations research
- operating statement
- open-air marketplace
- onopordum acanthium
- onopordon acanthium
- olfactory sensation
- old world coral snake
- old frisian language
- okeechobee waterway
- observation station
- nucleolar organizer
- nucleolar organiser
- nothofagus truncata
- northern barramundi
- norman architecture
- nonvolatile storage
- nonmalignant tumour
- non-volatile storage
- nicolas malebranche
- nicholas ii of russia
- new world coral snake
- neutralization fire
- naturally occurring
- nasogastric feeding
- narrowbody aircraft
- narrow-body aircraft
- narcissus jonquilla
- napierian logarithm
- nail-tailed kangaroo
- mycteroperca bonaci
- mullah mohammed omar
- mountain watercress
- most valuable player
- morchella esculenta
- montia lamprosperma
- momordica charantia
- momordica balsamina
- mohammedan calendar
- minor diatonic scale
- mineral association
- minato ohashi bridge
- mikhail baryshnikov
- microscopic anatomy
- michael stuart brown
- michael gerald tyson
- metaphosphoric acid
- merovingian dynasty
- mentha rotundifolia
- melospiza georgiana
- medicago intertexta
- matricaria inodorum
- mary morse baker eddy
- martina navratilova
- marta brigit nilsson
- marsilea drummondii
- marriage counseling
- marie goeppert mayer
- maria goeppert-mayer
- marble bones disease
- mandarin orange tree
- mammillaria plumosa
- malice aforethought
- malacosoma disstria
- major tranquilliser
- major diatonic scale
- magnolia virginiana
- magnesium carbonate
- macrozamia spiralis
- macroscopic anatomy
- macrocephalon maleo
- machine translation
- lycium carolinianum
- lutjanus blackfordi
- luggage compartment
- lonicera canadensis
- livistona australis
- litocranius walleri
- lithophragma affine
- liquid metal reactor
- libyan monetary unit
- libyan islamic group
- leycesteria formosa
- lepiota rubrotincta
- lepiota clypeolaria
- leontocebus rosalia
- leitneria floridana
- left coronary artery
- learner's dictionary
- leaning tower of pisa
- le douanier rousseau
- lazzaro spallanzani
- lathyrus latifolius
- laportea canadensis
- lactose intolerance
- lactarius delicioso
- kurdistan labor pary
- kingdom prokaryotae
- king of great britain
- keratosis nigricans
- katmai national park
- karl theodor jaspers
- kammon strait bridge
- kalashnikov culture
- kakatoe leadbeateri
- juglans californica
- judicial separation
- juan carlos i of spain
- josiah willard gibbs
- jordanella floridae
- john philip marquand
- john barrington wain
- job-control language
- jerusalem artichoke
- jean francois millet
- jatropha stimulosus
- japanese pagoda tree
- james thomas farrell
- james leonard farmer
- james francis thorpe
- jack-o-lantern fungus
- islets of langerhans
- iron-storage disease
- ipomoea orizabensis
- international pitch
- interfacial tension
- inorganic phosphate
- infraorbital artery
- information warfare
- information measure
- inflationary spiral
- inferior labial vein
- inertial navigation
- hypsiglena torquata
- hypochromic anaemia
- hyperfocal distance
- hyperchromic anemia
- hydromantes shastae
- hyalophora cecropia
- howard robard hughes
- horizontal parallax
- honorable discharge
- homecourt advantage
- hieracium pilocella
- heterotheca villosa
- hesperis matronalis
- halocarpus bidwilli
- halicoeres radiatus
- haemorrhagic stroke
- haematobia irritans
- habenaria peramoena
- habenaria albiflora
- gyromitra esculenta
- group participation
- gros ventre language
- grindelia squarrosa
- gregory of nazianzus
- gregory of nazianzen
- greater whitethroat
- great yellow gentian
- great saphenous vein
- granuloma inguinale
- graduation exercise
- gradable opposition
- goods and service tax
- golden fairy lantern
- golden barrel cactus
- global organization
- glechoma hederaceae
- girolamo savonarola
- giant potato creeper
- giannangelo braschi
- german monetary unit
- geostationary orbit
- georgiana barrymore
- geocentric parallax
- genus tyrannosaurus
- genus thysanocarpus
- genus tautogolabrus
- genus stephanomeria
- genus sphaerocarpus
- genus sphaerocarpos
- genus schizophragma
- genus sarcorhamphus
- genus sarcocephalus
- genus pleurobrachia
- genus phascolarctos
- genus paracheirodon
- genus melanogrammus
- genus macrodactylus
- genus macrocephalon
- genus lagerstroemia
- genus lagarostrobus
- genus dracocephalum
- genus dendrocalamus
- genus chrysobalanus
- genus ceratopetalum
- genus calamagrostis
- genus aulacorhyncus
- genus arctocephalus
- genus anomalopteryx
- genus agrobacterium
- genus acanthocereus
- genital personality
- galleria mellonella
- gadus macrocephalus
- fumaria officinalis
- fuchsia excorticata
- front-porch campaign
- fritillaria biflora
- frankfurt on the main
- francois mitterrand
- fragaria chiloensis
- fractional currency
- forward transaction
- florida selaginella
- float-type rain gauge
- first earl of chatham
- first baron macaulay
- fine-art photography
- fictional character
- feast of tabernacles
- favourable position
- family xenosauridae
- family volvariaceae
- family trombidiidae
- family trionychidae
- family torpedinidae
- family stromateidae
- family roridulaceae
- family roccellaceae
- family rhizobiaceae
- family rhiptoglossa
- family rhinobatidae
- family relationship
- family polyporaceae
- family phalaropidae
- family orchestiidae
- family oleandraceae
- family notoryctidae
- family nephropsidae
- family microhylidae
- family macropodidae
- family littorinidae
- family lecanoraceae
- family hypocreaceae
- family hydrobatidae
- family holothuridae
- family hemerobiidae
- family haloragaceae
- family forficulidae
- family crocodylidae
- family cordaitaceae
- family combretaceae
- family chironomidae
- family cetorhinidae
- family ceratopsidae
- family cecropiaceae
- family bromeliaceae
- family bradypodidae
- family boraginaceae
- family argonautidae
- family ambrosiaceae
- extra duty allowance
- european water shrew
- european spider crab
- european black alder
- euphorbia corollata
- euonymus americanus
- eucalyptus rostrata
- eucalyptus coriacea
- eucalyptus camphora
- euarctos americanus
- estrogen antagonist
- eriophyllum lanatum
- equatoguinean franc
- epacris obtusifolia
- energy of activation
- embryonal carcinoma
- elymus trachycaulos
- electrolyte balance
- eleanor of aquitaine
- elaeocarpus grandis
- eichhornia spesiosa
- edwin dubois hayward
- edward iii of england
- educational program
- edgar douglas adrian
- ecclesiastical robe
- eastern roman empire
- eastern indigo snake
- eastern hop hornbeam
- eastern catholicism
- east indian rosewood
- dynamic loudspeaker
- dwarf russian almond
- dwarf chinquapin oak
- dryopteris goldiana
- dryopteris fragrans
- dryopteris dilatata
- drepanocytic anemia
- dramatic production
- douglas fairbanks jr.
- dorsal scapular vein
- donald arthur glaser
- diversionary attack
- dioscorea bulbifera
- digital photography
- diffraction grating
- dichondra micrantha
- depreciation charge
- dental practitioner
- dental orthopaedics
- deflationary spiral
- de facto segregation
- daucus carota sativa
- dalbergia latifolia
- daboecia cantabrica
- cystopteris montana
- cystophora cristata
- cyrtomium aculeatum
- cyrilla racemiflora
- cupressus goveniana
- cupressus arizonica
- cryptogramma crispa
- crotalus adamanteus
- cronartium ribicola
- crataegus tomentosa
- crataegus apiifolia
- court of saint james's
- cotoneaster dammeri
- coryphaena hippurus
- corticospinal tract
- cortaderia selloana
- coronavirus disease
- cordyline australis
- cordia gerascanthus
- coptis groenlandica
- copernicia cerifera
- convallaria majalis
- contract of adhesion
- continental glacier
- contagious abortion
- connarus guianensis
- confederate jasmine
- competitor analysis
- compatible software
- comparative anatomy
- common cardinal vein
- commercial traveler
- colutea arborescens
- college of cardinals
- coelenterate family
- codiaeum variegatum
- clematis ochreleuca
- claytonia virginica
- class holothuroidea
- class cyanobacteria
- class cryptophyceae
- class coniferopsida
- class chrysophyceae
- class chlorophyceae
- citrus aurantifolia
- cirsium lanceolatum
- circulatory failure
- cinnamomum camphora
- cinchona ledgeriana
- cinchona cordifolia
- cimicifuga racemosa
- chrysophrys auratus
- chrysobalanus icaco
- choriotis australis
- chinese parasol tree
- chilean flameflower
- chattahoochee river
- charronia flavigula
- charles william post
- charles vii of france
- charles joseph clark
- charles ii of england
- charles henry harrod
- charles digby harrod
- chairman of the board
- cerebral hemorrhage
- ceratostomella ulmi
- catherine i of russia
- catharanthus roseus
- catalytic converter
- cataloged procedure
- castilleja chromosa
- castanea ozarkensis
- cascade transformer
- cartridge extractor
- carolingian dynasty
- carissa grandiflora
- cardigan welsh corgi
- cardamine douglasii
- carbonnade flamande
- caranx bartholomaei
- capreolus capreolus
- capital of singapore
- capital of san marino
- capital of costa rica
- campanula glomerata
- camelus dromedarius
- calostoma ravenelii
- calochortus elegans
- calochortus amoenus
- california white fir
- california sycamore
- california box elder
- california bluebell
- california black oak
- california allspice
- calcium bicarbonate
- cabomba caroliniana
- bursera microphylla
- bulbourethral gland
- bronchial pneumonia
- broadcasting studio
- british labour party
- brevoortia tyrannis
- boy scouts of america
- born-again christian
- bone-headed dinosaur
- blue cardinal flower
- blackbody radiation
- black-body radiation
- billion-dollar grass
- battle of port arthur
- battle of austerlitz
- bastardy proceeding
- basal metabolic rate
- bartolomeo vanzetti
- bartolomeo prignano
- bartolomeo eustachi
- barnaba chiaramonti
- barbados maidenhair
- barbados gooseberry
- barack hussein obama
- backward and forward
- babyrousa babyrussa
- baby-boom generation
- automated moderator
- autoclaved concrete
- austrotaxus spicata
- atrial fibrillation
- astroloma humifusum
- asterid dicot family
- associate professor
- associate in nursing
- assistant professor
- asparagus setaceous
- asian tiger mosquito
- asian horseshoe crab
- arytenoid cartilage
- articulatory system
- arthur james balfour
- arterial blood gases
- arteria ophthalmica
- arteria ethmoidalis
- arteria communicans
- artemisia abrotanum
- arrowleaf groundsel
- aronia berry liqueur
- arnold daniel palmer
- aristotelia serrata
- aristolochia durior
- aristarchus of samos
- arisaema dracontium
- arisaema atrorubens
- arches national park
- arboreal salamander
- application program
- apothecaries' weight
- apodictic certainty
- apatetic coloration
- antonio da correggio
- anticonvulsant drug
- anticipatory breach
- anterograde amnesia
- anterior facial vein
- antarctic continent
- anselm of canterbury
- anomalopteryx oweni
- anolis carolinensis
- anoa depressicornis
- annona diversifolia
- anna amalia mercouri
- anion-exchange resin
- angoumois grain moth
- andropogon furcatus
- anarchist communism
- anamnestic response
- analytical geometry
- amorpha californica
- american water ouzel
- american twinflower
- american pennyroyal
- american labor party
- american arborvitae
- alveolar resorption
- alsophila pometaria
- allium ampeloprasum
- alexander prokhorov
- aleurites moluccana
- aleksandr prokhorov
- aleksandr pavlovich
- alan mathison turing
- agrimonia eupatoria
- agonus cataphractus
- agitated depression
- african green monkey
- aframomum melegueta
- affricate consonant
- aegilops triuncalis
- admiralty mountains
- adlerian psychology
- acute brain disorder
- acoustic resistance
- acoustic absorption
- acer pseudoplatanus
- acellular slime mold
- accounts receivable
- abnormal psychology
- abdominal pregnancy
- abdominal breathing
