18-Letter Words Containing: A,C,A,I
(In Any Order)
There are 129 18 letter words,
1,022 18 letter phrases and
0 18 letter abbr's with
A,C,A,I 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 (129)
- characteristically
- hypercoagulability
- compartmentalizing
- transmogrification
- psychopathological
- interchangeability
- paleoclimatologist
- ungrammaticalities
- uncharitablenesses
- unattractivenesses
- unaccountabilities
- ultrasophisticated
- ultramicroscopical
- ultraconservatives
- ultraconservatisms
- ultracentrifugally
- transcendentalists
- transcendentalisms
- theatricalizations
- tachistoscopically
- subclassifications
- subcategorizations
- structuralizations
- somnambulistically
- satisfactorinesses
- revascularizations
- recrystallizations
- rechromatographing
- rechromatographies
- radiochromatograms
- quantificationally
- psychobiographical
- psychoanalytically
- provincializations
- propagandistically
- postpsychoanalytic
- polychromatophilia
- physiopathological
- photoreactivations
- phonocardiographic
- pathophysiological
- particularizations
- paleoclimatologies
- ovolactovegetarian
- overspecialization
- overclassification
- overcentralization
- oscillographically
- ophthalmologically
- nonconfrontational
- noncomparabilities
- nonanthropological
- neuropharmacologic
- misclassifications
- microradiographies
- micromanipulations
- microencapsulation
- microencapsulating
- metallographically
- magnetoresistances
- macrophotographies
- macroglobulinemias
- lipopolysaccharide
- irreproachableness
- irreplaceabilities
- intraventricularly
- inarticulatenesses
- inappreciativeness
- impracticabilities
- immunopathological
- hypernationalistic
- hydrometallurgical
- handcraftsmanships
- glycosaminoglycans
- fractionalizations
- electrocardiograms
- echocardiographies
- echocardiographers
- diethylcarbamazine
- decriminalizations
- counterretaliation
- countereducational
- counteradaptations
- counteraccusations
- conversationalists
- consubstantiations
- congregationalists
- congregationalisms
- conceptualizations
- compartmentalising
- companionabilities
- commercializations
- claustrophobically
- bureaucratizations
- autobiographically
- australopithecines
- archaeoastronomies
- appreciativenesses
- antidiscrimination
- anticommercialisms
- angiocardiographic
- agammaglobulinemic
- aerothermodynamics
- accumulativenesses
- unsatisfactoriness
- unenthusiastically
- ultranationalistic
- spectrographically
- radiocommunication
- plasmodiophoraceae
- overcapitalization
- overcapitalisation
- noninterchangeable
- muscivora-forficata
- mucopolysaccharide
- lacto-vegetarianism
- internationalistic
- fibrocartilaginous
- enterobacteriaceae
- electrocardiograph
- corynebacteriaceae
- columbite-tantalite
- chemotherapeutical
- characteristicness
- caterpillar-tracked
- calymmatobacterium
- ballistocardiogram
- anticholinesterase
- adenocarcinomatous
Phrases (1022)
- whispering campaign
- vertical stabiliser
- upton beall sinclair
- typographical error
- tuamotu archipelago
- triglochin maritima
- tichodroma muriaria
- theoretical account
- thanksgiving cactus
- talinum paniculatum
- table-tennis racquet
- syzygium aromaticum
- subclass metatheria
- spanish-american war
- social organization
- social organisation
- sistrurus catenatus
- sir william chambers
- sexually attractive
- setophaga ruticilla
- sergei rachmaninoff
- semilunar cartilage
- second cranial nerve
- scandinavian nation
- rudbeckia laciniata
- rhetorical language
- republic of paraguay
- renaissance revival
- private corporation
- polygala paucifolia
- pinicola enucleator
- piano transcription
- physiological state
- physical attraction
- phoenix dactylifera
- ostrya carpinifolia
- oscar hammerstein ii
- order sarraceniales
- order sarcosporidia
- order ichthyosauria
- order eubacteriales
- oenothera fruticosa
- oceanites oceanicus
- occupational hazard
- niccolo machiavelli
- neapolitan ice cream
- nautical signal flag
- national censorship
- narcotic antagonist
- musical performance
- musical arrangement
- morchella crassipes
- molar concentration
- molal concentration
- mexican-american war
- metric capacity unit
- meconopsis cambrica
- mathematics teacher
- marijuana cigarette
- marianne craig moore
- magnetic attraction
- macrozamia communis
- logistic assistance
- logical implication
- liability insurance
- latimeria chalumnae
- lanius lucovicianus
- lamium amplexicaule
- lachrymal secretion
- karl friedrich gauss
- kamchatka peninsula
- joel chandler harris
- jean baptiste racine
- isabella i of castile
- intracellular fluid
- international scale
- installation charge
- ideological barrier
- household appliance
- hindu calendar month
- hibiscus sabdariffa
- hibiscus cannabinus
- health care provider
- gravitational force
- graphical recording
- grammatical subject
- grace patricia kelly
- glandular carcinoma
- george michael cohan
- geographical region
- genus chamaecytisus
- genetic abnormality
- garcinia mangostana
- gallinula chloropus
- fricative consonant
- frankliniella fusca
- francis ford coppola
- fourth cranial nerve
- fortunella japonica
- favorable reception
- family trichechidae
- family spirillaceae
- family scorpaenidae
- family scolopacidae
- family salviniaceae
- family polygalaceae
- family papaveraceae
- family nepenthaceae
- family muscicapidae
- family motacillidae
- family magnoliaceae
- family loranthaceae
- family juglandaceae
- family desmidiaceae
- family crassulaceae
- family charadriidae
- family centriscidae
- family asparagaceae
- family accipitridae
- family acanthuridae
- eusebius of caesarea
- essential amino acid
- eriobotrya japonica
- erinaceus europaeus
- erigeron canadensis
- emberiza citrinella
- electronic database
- education secretary
- economic assistance
- double-deck carriage
- division eubacteria
- directional antenna
- dangling participle
- cyanocitta cristata
- crataegus laevigata
- crataegus crus-galli
- constantin brancusi
- conservation of mass
- comptonia peregrina
- compression bandage
- common american shad
- commissaire maigret
- commercial activity
- colocasia esculenta
- class magnoliopsida
- class hyalospongiae
- class dicotyledonae
- circassian language
- chemical operations
- chemical attraction
- charles francis hall
- ceremonial occasion
- castanea mollissima
- cascade everlasting
- carrying into action
- carduelis carduelis
- carassius carassius
- capital of wisconsin
- capital of venezuela
- capital of tennessee
- capital of swaziland
- capital of nicaragua
- capital of new mexico
- capital of new jersey
- capital of minnesota
- capital of louisiana
- capital of lithuania
- capital of indonesia
- capital of guatemala
- capital of cape verde
- capital of australia
- capital of argentina
- capital expenditure
- california white oak
- cakchiquel language
- bombycilla garrulus
- biological research
- bignonia capreolata
- berberis canadensis
- baccharis pilularis
- attestation service
- assyrian neo-aramaic
- artocarpus communis
- artificial additive
- arteria pancreatica
- armoracia rusticana
- areteria cervicalis
- architectural style
- apodemus sylvaticus
- antispasmodic agent
- antipsychotic agent
- antineoplastic drug
- antilope cervicapra
- antiberiberi factor
- antagonistic muscle
- angle of inclination
- andrija mohorovicic
- ancylus fluviatilis
- anchusa officinalis
- anamnestic reaction
- analysis of variance
- amphibious aircraft
- american revolution
- american pulsatilla
- ambystoma mexicanum
- alytes obstetricans
- alternating current
- alpinia officinarum
- alpinia officinalis
- alpha-linolenic acid
- algorithmic program
- agropyron cristatum
- aegean civilisation
- actinidia deliciosa
- acoustic gramophone
- acer pennsylvanicum
- accounting standard
- accordance of rights
- acadia national park
- academic department
- writ of habeas corpus
- wilderness campaign
- western diamondback
- weather forecasting
- volumetric analysis
- vocational training
- visually challenged
- virginia crownbeard
- virgilia divaricata
- viatical settlement
- vespula maculifrons
- vertical stabilizer
- veronica chamaedrys
- veronica beccabunga
- verbesina virginica
- verbascum blattaria
- vena intercapitalis
- vena gastrica-dextra
- vena appendicularis
- vascular prosthesis
- vascular hemophilia
- valedictory speaker
- valedictory oration
- valedictory address
- vaccinium stamineum
- vaccinium scoparium
- vaccinia gangrenosa
- vaccaria pyramidata
- unspoken accusation
- united arab republic
- uniocular dichromat
- unilateral contract
- tyrannus vociferans
- typewriter carriage
- tussock caterpillar
- tropical rain forest
- trinectes maculatus
- trichostema lanatum
- tricholoma venenata
- tricholoma vaccinum
- tricholoma pardinum
- trichloracetic acid
- tremella reticulata
- transuranic element
- toxemia of pregnancy
- torreya californica
- topographic anatomy
- topical anaesthetic
- topical anaesthesia
- tobacco mosaic virus
- tiarella cordifolia
- thermobia domestica
- theatrical producer
- textual scholarship
- teucrium chamaedrys
- tetraneuris acaulis
- tectaria macrodonta
- taxodium mucronatum
- taraxacum ruderalia
- tanacetum douglasii
- tanacetum coccineum
- tanacetum balsamita
- talmudic literature
- talinum aurantiacum
- tactual exploration
- systema lymphaticum
- syrian arab republic
- symphoricarpos alba
- surgical vacuum pump
- surface-active agent
- supratrochlear vein
- subthalamic nucleus
- suborder lacertilia
- suborder ceratopsia
- subfamily acoraceae
- subclinical absence
- subclass dibranchia
- subclass cirripedia
- subclass amphineura
- subclass actinopoda
- strawberry ice cream
- stochastic variable
- stictopelia cuneata
- stellar association
- starvation acidosis
- spotsylvania county
- spartina pectinmata
- sparmannia africana
- solidago canadensis
- solar magnetic field
- solanum carolinense
- social anthropology
- small cell carcinoma
- sloanea jamaicensis
- silphium laciniatum
- sidalcea malviflora
- shortia galacifolia
- short gastric artery
- sex-change operation
- serratula tinctoria
- serratia marcescens
- sergeant first class
- segmentation cavity
- secondary education
- secobarbital sodium
- scopolia carniolica
- scleroderma bovista
- sciaenops ocellatus
- saturated fatty acid
- sarracenia purpurea
- sarcophilus hariisi
- sarcophaga carnaria
- sao tome and principe
- sanskritic language
- sambucus canadensis
- salvinia auriculata
- salicornia europaea
- saint thomas a becket
- saint lawrence river
- saint francis xavier
- sacrifice operation
- sabbatia campestris
- rupicapra rupicapra
- rocky-mountain maple
- rockingham podocarp
- robert bruce mathias
- ring-necked pheasant
- ring-necked parakeet
- right gastric artery
- rickettsial disease
- richea pandanifolia
- richard ii of england
- richard henry tawney
- rhodesian ridgeback
- rhizoctinia disease
- reticular formation
- republic of bulgaria
- republic of botswana
- relative atomic mass
- regular icosahedron
- reductio ad absurdum
- red-backed sandpiper
- recreation facility
- ratibida columnaris
- rate of depreciation
- rachel louise carson
- quercus marilandica
- quadraphonic system
- pus-forming bacteria
- public relations man
- pterocnemia pennata
- psychotria capensis
- psychological state
- psoriatic arthritis
- psittacus erithacus
- psidium cattleianum
- prunus pensylvanica
- professional dancer
- prince-of-wales'-heath
- prince of wales heath
- prince edward island
- potato scab bacteria
- potassium carbonate
- populus trichocarpa
- poncirus trifoliata
- political commissar
- police headquarters
- polaroid land camera
- poinciana gilliesii
- poephila castanotis
- plumeria acutifolia
- platycerium andinum
- platanus acerifolia
- platalea leucorodia
- pitcher-plant family
- piranga ludoviciana
- pinus californiarum
- pimenta officinalis
- pierre-simon laplace
- pickeringia montana
- physical distancing
- phyllostachys nigra
- photographic camera
- phoenician language
- phasianus colchicus
- petteria ramentacea
- petersburg campaign
- peruvian mastic tree
- peltandra virginica
- pecten magellanicus
- paumotu archipelago
- partial correlation
- parascalops breweri
- paranthias furcifer
- parametric quantity
- parallel processing
- parabolic reflector
- pancreatic fibrosis
- paleo-indian culture
- palace of versailles
- oreamnos americanus
- order stegocephalia
- order marchantiales
- order actinomyxidia
- operations research
- open-air marketplace
- onopordum acanthium
- onopordon acanthium
- olfactory sensation
- nyctanassa violacea
- nyctaginia capitata
- nucleolar organizer
- nucleolar organiser
- norman architecture
- nikolai lobachevsky
- niemann-pick disease
- nicolas malebranche
- nicholas ii of russia
- newtonian mechanics
- neville chamberlain
- nephelium lappaceum
- negative chemotaxis
- nautical linear unit
- nauclea diderrichii
- naturally occurring
- national assistance
- nasogastric feeding
- narrowbody aircraft
- narrow-body aircraft
- narcissus jonquilla
- myricaria germanica
- myrica pensylvanica
- mycteroperca bonaci
- mutually beneficial
- mountain watercress
- mountain chinchilla
- mountain blacksnake
- monocytic leukaemia
- monoclonal antibody
- momordica charantia
- momordica balsamina
- minor diatonic scale
- minoan civilization
- minoan civilisation
- miniature schnauzer
- mineral association
- military capability
- microscopic anatomy
- michael stuart brown
- michael gerald tyson
- mexican jumping bean
- mexican freetail bat
- mexican black cherry
- metaplastic anaemia
- metaphosphoric acid
- metabolic alkalosis
- mertensia virginica
- melissa officinalis
- melicocca bijugatus
- medinilla magnifica
- medical examination
- medicago intertexta
- mechanical engineer
- matricaria recutita
- matricaria inodorum
- mathematical symbol
- marriage counseling
- manufacturing plant
- malice aforethought
- malacosoma disstria
- major diatonic scale
- magneto-optical disc
- magnetic levitation
- magnesium carbonate
- macrozamia spiralis
- macroscopic anatomy
- machine translation
- macedonian language
- lysimachia vulgaris
- lysimachia ciliatum
- lycium carolinianum
- lutjanus blackfordi
- lonicera canadensis
- lobelia siphilitica
- litocranius walleri
- liquid metal reactor
- libyan islamic group
- leycesteria formosa
- lepiota rubrotincta
- lepiota clypeolaria
- lepiota cepaestipes
- lepechinia calycina
- leontocebus rosalia
- learner's dictionary
- laportea canadensis
- landscape gardening
- landscape architect
- lagenaria siceraria
- lactose intolerance
- lactarius delicioso
- king charles spaniel
- kiggelaria africana
- keratosis nigricans
- kalashnikov culture
- juglans californica
- judicial separation
- juan carlos i of spain
- jerusalem artichoke
- jean-claude duvalier
- jean francois millet
- jasminum officinale
- james francis thorpe
- jamaica honeysuckle
- jacksonian epilepsy
- ivan iii vasilievich
- italian renaissance
- italian honeysuckle
- ionization constant
- intracranial cavity
- international pitch
- intergalactic space
- interfacial tension
- intercapitular vein
- inorganic phosphate
- inevitable accident
- indri brevicaudatus
- in the adjacent house
- ictalurus punctatus
- hypoplastic anaemia
- hypoglycaemic agent
- hypochromic anaemia
- hypericum maculatum
- hyperfocal distance
- hyperchromic anemia
- hyalophora cecropia
- honorable discharge
- hindu-arabic numeral
- high anglican church
- hieracium praealtum
- hieracium pilocella
- hexalectris spicata
- heuchera cylindrica
- heterotheca villosa
- hermann maurice saxe
- heavy whipping cream
- heat of dissociation
- heat of condensation
- healthcare facility
- healthcare delivery
- health care delivery
- harry stack sullivan
- harry sinclair lewis
- harald hirschsprung
- haplopappus acaulis
- halocarpus bidwilli
- halicoeres radiatus
- haemorrhagic stroke
- gyromitra esculenta
- gymnastic apparatus
- gymnadenia conopsea
- guilt by association
- guaiacum officinale
- group participation
- grammatical meaning
- graduation exercise
- goods and service tax
- giant potato creeper
- giannangelo braschi
- giacomo della chiesa
- geocentric parallax
- genus schizophragma
- genus pleurobrachia
- genus paracheirodon
- genus lactobacillus
- genus falcatifolium
- genus dieffenbachia
- genus chamaecyparis
- genus calamagrostis
- genus bruckenthalia
- genus agrobacterium
- genus acanthocybium
- general anaesthetic
- gaylussacia baccata
- gavialis gangeticus
- garcinia gummi-gutta
- functional calculus
- fumaria officinalis
- fumaria claviculata
- full faith and credit
- fuchsia excorticata
- front-porch campaign
- fritillaria recurva
- french and indian war
- francois mitterrand
- fragaria chiloensis
- fractional currency
- forward transaction
- flycatching warbler
- first earl of chatham
- first baron macaulay
- financial statement
- financial condition
- fictional character
- family volvariaceae
- family vittariaceae
- family trionychidae
- family trichiuridae
- family tremellaceae
- family tilletiaceae
- family tamaricaceae
- family symplocaceae
- family staphylaceae
- family spheniscidae
- family sphaeriaceae
- family scutigeridae
- family schizaeaceae
- family scarabaeidae
- family roridulaceae
- family roccellaceae
- family rhizobiaceae
- family pucciniaceae
- family polyporaceae
- family polygonaceae
- family parmeliaceae
- family parkeriaceae
- family papilionacea
- family orchestiidae
- family oleandraceae
- family nymphaeaceae
- family notoryctidae
- family notonectidae
- family microhylidae
- family megachilidae
- family martyniaceae
- family marsileaceae
- family marattiaceae
- family macropodidae
- family loxomataceae
- family lecanoraceae
- family laricariidae
- family hypoxidaceae
- family hypocreaceae
- family hypericaceae
- family helvellaceae
- family haloragaceae
- family goodeniaceae
- family gobiesocidae
- family gesneriaceae
- family gentianaceae
- family forficulidae
- family erysiphaceae
- family equisetaceae
- family epacridaceae
- family embiotocidae
- family elaeagnaceae
- family echeneididae
- family dilleniaceae
- family davalliaceae
- family cyrilliaceae
- family cuterebridae
- family cupressaceae
- family crocodylidae
- family cordaitaceae
- family combretaceae
- family colchicaceae
- family clavariaceae
- family cladoniaceae
- family cicindelidae
- family cicadellidae
- family chironomidae
- family characinidae
- family cetorhinidae
- family ceratopsidae
- family cerambycidae
- family cephalobidae
- family celastraceae
- family cecropiaceae
- family cecidomyidae
- family catostomidae
- family carchariidae
- family bromeliaceae
- family brassicaceae
- family boraginaceae
- family bignoniaceae
- family aspleniaceae
- family amygdalaceae
- family ambrosiaceae
- family allioniaceae
- family alismataceae
- family albuginaceae
- extracellular fluid
- european spider crab
- euphorbia corollata
- euonymus americanus
- eucalyptus coriacea
- euarctos americanus
- equatoguinean franc
- epicyclic gear train
- epacris obtusifolia
- energy of activation
- embryonal carcinoma
- elementary particle
- electrical capacity
- electric-arc furnace
- elaeocarpus grandis
- eighth cranial nerve
- eichhornia spesiosa
- edward jean steichen
- educational program
- ecclesiastical robe
- ecclesiastical mode
- ecballium elaterium
- eastern fence lizard
- eastern catholicism
- dynamic loudspeaker
- dwarf chinquapin oak
- dutch case-knife bean
- duodecimal notation
- drepanocytic anemia
- dramatic production
- dorsal scapular vein
- domesticated animal
- division cyanophyta
- diversionary attack
- dishwashing machine
- dioscorea bulbifera
- digitaria ischaemum
- diffraction grating
- dichondra micrantha
- dicentra cucullaria
- dicentra canadensis
- dicamptodon ensatus
- descurainia pinnata
- descriptive grammar
- depreciation charge
- dental practitioner
- dental orthopaedics
- de facto segregation
- daucus carota sativa
- dalbergia cearensis
- daboecia cantabrica
- cytisus ramentaceus
- cystopteris montana
- cystophora cristata
- cyrtomium aculeatum
- cyrilla racemiflora
- cynoglossum amabile
- cutaneous sensation
- custard-apple family
- cupressus goveniana
- cupressus arizonica
- cryptogramma crispa
- cronartium ribicola
- crescent-cell anemia
- 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
- conjugal visitation
- confederate jasmine
- competitor analysis
- compatible software
- compassionate leave
- comparative anatomy
- common cardinal vein
- commercial traveler
- college of cardinals
- colchicum autumnale
- coelenterate family
- codiaeum variegatum
- climbing salamander
- climbing maidenhair
- clematis virginiana
- clematis ochreleuca
- cleistes divaricata
- clear-air turbulence
- claytonia virginica
- claudius ptolemaeus
- clatonia lanceolata
- classical philology
- classical mythology
- classical mechanics
- class holothuroidea
- class hepaticopsida
- class ginkgophytina
- class cyanobacteria
- class coniferopsida
- class archiannelida
- cladrastis kentukea
- citrus aurantifolia
- citellus variegatus
- cirsium lanceolatum
- circulatory failure
- circulating library
- circulating decimal
- cinnamomum camphora
- cinchona ledgeriana
- cinchona lancifolia
- cinchona cordifolia
- cimicifuga racemosa
- chrysobalanus icaco
- choriotis australis
- chlamydera nuchalis
- chippewyan language
- chinese parasol tree
- chilean flameflower
- child welfare agency
- chi-square statistic
- chevalier de lamarck
- chelydra serpentina
- cheiranthus asperus
- cheilanthes eatonii
- chattahoochee river
- charronia flavigula
- charles william post
- charles vii of france
- charles ii of england
- charles digby harrod
- chamaemelum nobilis
- chairman of the board
- chaenopsis ocellata
- ceratostomella ulmi
- cerapteryx graminis
- centaurea cineraria
- centaurea americana
- celestial mechanics
- celestial hierarchy
- catherine i of russia
- catalytic converter
- castilleja chromosa
- castanea ozarkensis
- cassia occidentalis
- cassia augustifolia
- casanova de seingalt
- cartridge extractor
- carolingian dynasty
- carl friedrich gauss
- carissa grandiflora
- carduelis cucullata
- carduelis cannabina
- cardinal bellarmine
- cardigan welsh corgi
- cardamine pratensis
- cardamine douglasii
- cardamine bulbifera
- carcharhinus leucas
- caranx bartholomaei
- capparis mitchellii
- capital of singapore
- capital of san marino
- capital of costa rica
- canalis vertebralis
- canaanitic language
- campanula carpatica
- campanula americana
- camelus dromedarius
- camassia scilloides
- calvinistic baptist
- calvin richard klein
- calostoma ravenelii
- callitris calcarata
- callinectes sapidus
- california white fir
- california sycamore
- california box elder
- california bluebell
- california black oak
- california allspice
- calidris ferruginea
- calculating machine
- calcium bicarbonate
- calandrinia ciliata
- cabomba caroliniana
- bursera microphylla
- bucephala islandica
- bronchial pneumonia
- broadcasting studio
- brickmaking machine
- brick-making machine
- brassica perviridis
- brassia lawrenceana
- boy scouts of america
- born-again christian
- blue channel catfish
- blue cardinal flower
- blattella germanica
- blackbody radiation
- black-eyed susan vine
- black-body radiation
- black-and-tan terrier
- bissau-guinean franc
- bicycle parking rack
- bastardy proceeding
- bassariscus astutus
- basal metabolic rate
- bartolomeo eustachi
- barnaba chiaramonti
- barbecued spareribs
- barack hussein obama
- bank holding company
- ball-and-socket joint
- bacillary dysentery
- automobile mechanic
- austrotaxus spicata
- australian chestnut
- auriparus flaviceps
- auricular appendage
- attractive nuisance
- atrial septal defect
- atlantic white cedar
- atlantic tripletail
- asterid dicot family
- associative aphasia
- associate professor
- associate in nursing
- aspidelaps lubricus
- asian horseshoe crab
- asclepias incarnata
- arytenoid cartilage
- artium baccalaurens
- artificial language
- articulatory system
- arteria ophthalmica
- arteria mesenterica
- arteria epigastrica
- arteria communicans
- arteria auricularis
- armillaria caligata
- aristolochia durior
- aristarchus of samos
- arisaema dracontium
- arches national park
- araucaria bidwillii
- applied mathematics
- application program
- appendicular artery
- apothecaries' weight
- apodictic certainty
- apocynum cannabinum
- apical placentation
- apatetic coloration
- antonio da correggio
- anticonvulsant drug
- anticipatory breach
- antiarrhythmic drug
- anterior facial vein
- antarctic peninsula
- antarctic continent
- anolis carolinensis
- anoa depressicornis
- anna amalia mercouri
- anion-exchange resin
- anguilla sucklandii
- angelica sylvestris
- anemone ludoviciana
- anarchist communism
- anamnestic response
- analytical geometry
- amorpha californica
- american white birch
- american watercress
- american water shrew
- american water ouzel
- american twinflower
- american pennyroyal
- american labor party
- american dwarf birch
- american arborvitae
- alnus veridis crispa
- allegheny chinkapin
- aleurites moluccana
- aleksandr pavlovich
- agelaius phoeniceus
- agaricus campestris
- african green monkey
- affricate consonant
- aegilops triuncalis
- aegean civilization
- adlerian psychology
- acute kidney failure
- acute brain disorder
- active matrix screen
- actinidia chinensis
- acoustic resistance
- acoustic absorption
- acellular slime mold
- accounts receivable
- acceptance sampling
- acacia xanthophloea
- abdominal pregnancy
