16-Letter Words Containing: O,N,A,I,R,E
(In Any Order)
There are 465 16 letter words,
827 16 letter phrases and
0 16 letter abbr's with
O,N,A,I,R,E in.
Best Scoring for Word Games
| Word | Save | Length | Usage | Points | Type | ||
|---|---|---|---|---|---|---|---|
We couldn't find any valid Scrabble US words with a length of 16. Try changing the version of the game.
Tip: Scrabble EU allows far more words than US! | |||||||
All 16 Letter Words
Words (465)
- intercontinental
- environmentalist
- multimillionaire
- electromagnetism
- neurotransmitter
- disproportionate
- gastrointestinal
- transcontinental
- characterization
- environmentalism
- prestidigitation
- representational
- countersignature
- hyperventilation
- counterespionage
- reinterpretation
- overcomplicating
- nonrevolutionary
- multidirectional
- interpretational
- denaturalization
- thrombocytopenia
- overcompensation
- electromagnetics
- demineralization
- reclassification
- predetermination
- overenthusiastic
- compartmentalize
- characterisation
- unprofessionally
- northamptonshire
- nonproliferation
- neuropsychiatric
- internationalist
- decentralization
- conversationally
- anthropomorphize
- anthropomorphise
- weatherboardings
- vaingloriousness
- uproariousnesses
- universalization
- unidirectionally
- ungraciousnesses
- underutilization
- underestimations
- turbomachineries
- trifluoperazines
- transmissometers
- transliterations
- transitorinesses
- tracheobronchial
- totalitarianizes
- totalitarianized
- thermoregulation
- thermoregulating
- thermodynamicist
- territorializing
- terminologically
- teratogenicities
- teratocarcinomas
- superspeculation
- supersaturations
- superromanticism
- supernormalities
- supermillionaire
- supercorporation
- superbillionaire
- subprofessionals
- strongyloidiases
- stereophonically
- stenographically
- sesquicarbonates
- seronegativities
- semipornographic
- semigovernmental
- semiconservative
- semiabstractions
- salubriousnesses
- roentgenological
- roadworthinesses
- rhynchocephalian
- revisualizations
- retransformation
- retinoblastomata
- resolidification
- resocializations
- requalifications
- reprivatizations
- reorganizational
- reorchestrations
- renormalizations
- reinvestigations
- reincorporations
- regionalizations
- refractorinesses
- refortifications
- redistributional
- redeterminations
- recontextualizes
- recontextualized
- recontaminations
- reconsiderations
- reconfigurations
- reconceptualizes
- reconceptualized
- reconcentrations
- rechoreographing
- recertifications
- recentralization
- recapitalization
- reauthorizations
- reapportionments
- reafforestations
- reaccreditations
- rambunctiousness
- radiotelephonies
- radioprotections
- psychometricians
- proselytizations
- pronunciamentoes
- pronounceability
- proletarianizing
- proletarianising
- profitablenesses
- professionalizes
- professionalized
- professionalisms
- pretechnological
- presuppositional
- preservationists
- prerevolutionary
- preregistrations
- prequalification
- prenotifications
- premodifications
- preincorporation
- preformationists
- precertification
- precariousnesses
- precancellations
- postpresidential
- postmillenarians
- postexperimental
- pleuropneumonias
- pithecanthropine
- phrasemongerings
- photorespiration
- phosphocreatines
- phenylketonurias
- pertinaciousness
- personifications
- personalizations
- parametrizations
- parameterization
- pancreatectomies
- oxytetracyclines
- overutilizations
- overstimulations
- overspeculations
- overspecializing
- overgeneralizing
- overexpectations
- overexaggeration
- overexaggerating
- overelaborations
- overcultivations
- overconservative
- overcompensating
- overcommunicates
- overcommunicated
- overcentralizing
- overcapitalizing
- overarticulating
- overapplications
- overachievements
- overaccentuating
- otolaryngologies
- orthogenetically
- organomercurials
- organoleptically
- operationalistic
- oligomerizations
- oligodendroglias
- oligodendroglial
- nonreappointment
- nonproprietaries
- nonprofessionals
- nonmetropolitans
- nonmaterialistic
- nonentertainment
- nondocumentaries
- nondiscretionary
- nonconservatives
- nonconservations
- nonbiodegradable
- nonarchitectures
- nonarbitrariness
- neuroradiologist
- neuroradiologies
- neuropathologist
- neuropathologies
- neurohypophysial
- neoconservatives
- neoconservatisms
- multibillionaire
- misregistrations
- misapprehensions
- miraculousnesses
- microsporangiate
- micromanagements
- microencapsulate
- megasporogenesis
- megacorporations
- mechanoreceptive
- mechanoreception
- mechanochemistry
- materializations
- malpractitioners
- malapportionment
- magnetostrictive
- magnetostriction
- intramolecularly
- intracutaneously
- intolerantnesses
- intolerabilities
- intervocalically
- intervisitations
- interterritorial
- interstimulation
- internalizations
- intermolecularly
- intermodulations
- interjectionally
- interiorizations
- intergradational
- intergenerations
- interdigitations
- intercorrelation
- intercorrelating
- intercomparisons
- interchromosomal
- intercalibration
- interassociation
- instrumentations
- inordinatenesses
- inexorablenesses
- indeterminations
- inconsiderations
- incommensurables
- immunoregulatory
- immunoregulation
- immunoreactivity
- immoderatenesses
- idolatrousnesses
- hypervitaminoses
- hyperstimulation
- hypersalivations
- hyperrationality
- hyperinnervation
- historicalnesses
- heterochromatins
- hematoporphyrins
- harmoniousnesses
- gynandromorphies
- gregariousnesses
- gratuitousnesses
- governmentalizes
- governmentalized
- governmentalists
- governmentalisms
- geochronological
- frenchifications
- formidablenesses
- externalizations
- externalisations
- exteriorizations
- extemporizations
- extemporisations
- extemporaneities
- experimentations
- ethnographically
- etherealizations
- enteropathogenic
- enterochromaffin
- enforceabilities
- endocrinological
- endarterectomies
- enantiomorphisms
- electrotonically
- electrifications
- editorialization
- diversifications
- disequilibration
- directionalities
- dihydroxyacetone
- differentiations
- devitrifications
- deuterocanonical
- detribalizations
- desulfurizations
- desertifications
- desacralizations
- depressurization
- depolymerization
- denuclearization
- denitrifications
- democratizations
- demilitarization
- dehydrogenations
- deglamorizations
- decorativenesses
- deconcentrations
- decertifications
- decarburizations
- decarboxylations
- cryopreservation
- crossopterygians
- countertradition
- counterreactions
- counterirritants
- counterinstances
- counterinflation
- counterguerrilla
- counterguerillas
- countercomplaint
- countercampaigns
- counterbalancing
- counterattacking
- copolymerization
- coordinatenesses
- conveyorizations
- controversialism
- containerization
- containerisation
- conservatorships
- conservativeness
- conservationists
- confirmabilities
- computerizations
- compartmentation
- commensurability
- codeterminations
- cinematographies
- cinematographers
- chronometrically
- chloramphenicols
- chivalrousnesses
- catheterizations
- carcinomatosises
- capriciousnesses
- biodeterioration
- avariciousnesses
- autocorrelations
- archconservative
- antituberculosis
- antireductionist
- antireductionism
- antirecessionary
- antiprofiteering
- antiferromagnets
- antievolutionary
- anticonservation
- anticonglomerate
- anticholinergics
- anticarcinogenic
- adrenalectomized
- adenocarcinomata
- vespertilionidae
- vasoconstrictive
- unprofitableness
- unimpressionable
- undemocratically
- uncommercialized
- uncommercialised
- trigonometrician
- trifluoromethane
- trichloromethane
- three-dimensional
- third-dimensional
- syncategorematic
- superfecundation
- steprelationship
- semiprofessional
- self-renunciation
- self-preservation
- self-organization
- self-organisation
- self-depreciation
- scandalmongering
- satisfactoriness
- sacrilegiousness
- roentgenographic
- remilitarization
- remilitarisation
- reincarnationism
- radiosensitivity
- proto-reformation
- prochlorperazine
- praiseworthiness
- phoenicopteridae
- pharmacokinetics
- pharmacogenetics
- parsimoniousness
- paraprofessional
- parallelopipedon
- parallelepipedon
- palaeornithology
- overexploitation
- one-quadrillionth
- nontransmissible
- nonreciprocating
- noncontroversial
- non-proliferation
- non-commercialism
- niger-kordofanian
- neuroepithelioma
- nephrocalcinosis
- narrow-mindedness
- multifariousness
- multi-billionaire
- microcrystalline
- marginocephalian
- lyginopteridales
- leptosporangiate
- lepidodendraceae
- inward-developing
- interpenetration
- interoperability
- internationalize
- internationality
- internationalism
- internationalise
- intercommunicate
- insalubriousness
- inharmoniousness
- hypothrombinemia
- hypervitaminosis
- holstein-friesian
- granulocytopenia
- dishonorableness
- diacetylmorphine
- dendrocolaptidae
- demineralisation
- decentralisation
- cryptobranchidae
- cross-examination
- controversialist
- contemporariness
- compartmentalise
- cinnamon-coloured
- chancellorsville
- bronchopneumonia
- branchiostomidae
- branchiostegidae
- atrioventricular
- atrichornithidae
- antiredeposition
- anthropometrical
- anthropocentrism
- aminotransferase
- ambidextrousness
- alpha-lipoprotein
- acanthopterygian
Phrases (827)
- zoological garden
- zonal pelargonium
- volcanic eruption
- visual perception
- viscountess astor
- verbal expression
- valuation reserve
- tibialis anterior
- theatrical season
- thai monetary unit
- tenor saxophonist
- tender loving care
- strait of magellan
- stannous fluoride
- spinacia oleracea
- soren kierkegaard
- simone de beauvoir
- signal/noise ratio
- serial processing
- seleucus i nicator
- roseate spoonbill
- restraint of trade
- republic of angola
- recording machine
- range of a function
- radio observation
- radiation pattern
- quentin tarantino
- quaternary period
- programming error
- professional life
- pro-choice faction
- prince of darkness
- preconceived idea
- potassium nitrate
- portuguese guinea
- point of departure
- poinsettia strain
- pillar of strength
- pharyngeal tonsil
- personnel carrier
- personal relation
- personal business
- performing artist
- peloponnesian war
- papaver orientale
- pan american union
- packaging concern
- pacific northwest
- out of the ordinary
- oscar hammerstein
- ordovician period
- order spatangoida
- order of magnitude
- order gymnophiona
- oral presentation
- operating expense
- ondatra zibethica
- ochotona princeps
- norwegian lobster
- northern rhodesia
- nooks and crannies
- news organisation
- nevil shute norway
- neuroleptic agent
- neritid gastropod
- natural elevation
- monongahela river
- medical prognosis
- male genital organ
- macrocytic anemia
- louis vii of france
- louis isadore kahn
- lonicera japonica
- logical operation
- leonard bernstein
- leading indicator
- kingdom of denmark
- katherine cornell
- katharine cornell
- john hope franklin
- italian greyhound
- island of guernsey
- instrumental role
- inspector maigret
- indonesian borneo
- in an elaborate way
- hungarian pointer
- horizontal merger
- honorable mention
- hero of alexandria
- health profession
- great wall of china
- gian carlo menotti
- georgian language
- george washington
- geographical zone
- geographic region
- genus zonotrichia
- genus trichophaga
- genus trichomanes
- genus triceratops
- genus procellaria
- genus proboscidea
- genus dipsosaurus
- genus dendroaspis
- genus antilocapra
- genus angiopteris
- genus ancistrodon
- genus agkistrodon
- furniture company
- fringilla coelebs
- friendly takeover
- francois rabelais
- force per unit area
- field of operation
- family panorpidae
- facial expression
- exponential curve
- european flatfish
- ethanoyl chloride
- eternal damnation
- equinoctial storm
- emperor francis ii
- elvis aron presley
- eleusine coracana
- double refraction
- diomedea nigripes
- cynoscion regalis
- cox's orange pippin
- covering material
- control operation
- commercial agency
- coloring material
- cichorium endivia
- chronological age
- chelonian reptile
- cellular division
- carya illinoensis
- carbon dichloride
- capital of vermont
- capital of nigeria
- capital of new york
- capital of ireland
- capital of armenia
- cancer of the liver
- california privet
- business relation
- brownian movement
- boolean operation
- book of revelation
- board of education
- benoit mandelbrot
- benjamin harrison
- battle of borodino
- bank commissioner
- badminton racquet
- autogenic therapy
- asian black grouse
- artistic creation
- articulatio genus
- argemone mexicana
- arcangelo corelli
- apothecaries' unit
- aneroid barometer
- ammonium chloride
- american woodcock
- american sycamore
- american hornbeam
- american foxhound
- american football
- american basswood
- aluminum chloride
- alton glenn miller
- allergic reaction
- alexander borodin
- aleksandr borodin
- albert a. michelson
- after-shave lotion
- african chameleon
- aerodynamic force
- adhesive friction
- activation energy
- academic relation
- zimbabwean dollar
- yellowfin mojarra
- yellowfin croaker
- yellow journalism
- yellow granadilla
- xerophilous plant
- working agreement
- woodworking plane
- windowpane oyster
- wilson's phalarope
- williams syndrome
- william rose benet
- white-faced hornet
- wheatstone bridge
- western poison oak
- weeping love grass
- weather condition
- water of hydration
- visible radiation
- victor emanuel iii
- veterinary school
- veronica arvensis
- veronica agrestis
- value orientation
- urogenital system
- urinary retention
- universal solvent
- umbrella magnolia
- twenty dollar bill
- tropical medicine
- trifoliate orange
- triaenodon obseus
- transmission time
- transmission line
- transforming gene
- tontine insurance
- tightrope walking
- thrown and twisted
- thoracic medicine
- thirty-second part
- theropod dinosaur
- thermal pollution
- terminal velocity
- temporal relation
- television camera
- szechwan province
- synovial membrane
- swainsona greyana
- supraorbital vein
- superior vena cava
- suction curettage
- suborder natantia
- submarine torpedo
- stock market index
- stationery seller
- spring cankerworm
- spreading pogonia
- spreading dogbane
- spotted sandpiper
- spondias purpurea
- split personality
- spinal nerve roots
- spike lavender oil
- spherical polygon
- spenserian sonnet
- specious argument
- southern triangle
- southern rhodesia
- southern magnolia
- sonoran whipsnake
- solicitor general
- solanum aviculare
- soil conservation
- software engineer
- smooth darling pea
- sleep deprivation
- skillet corn bread
- sir leonard hutton
- sir bernard lovell
- significant other
- shell corporation
- sexual perversion
- sexual attraction
- serratus anterior
- separation energy
- sensorimotor area
- senecio cineraria
- semantic relation
- selkirk mountains
- self-raising flour
- secondary winding
- seaside goldenrod
- scomber japonicus
- scabiosa arvensis
- saprolegnia ferax
- sao tome e principe
- sanicula europaea
- sandro botticelli
- saint christopher
- russian dandelion
- ruhollah khomeini
- romantic movement
- romanian language
- robert treat paine
- robert edwin peary
- robert bellarmine
- rhodope mountains
- rhizophora mangle
- rhinoceros family
- rheum rhaponticum
- rhetorical accent
- revealed religion
- resting potential
- respiratory organ
- republic of uganda
- republic of poland
- republic of panama
- republic of guinea
- rental collection
- releasing hormone
- relaxation method
- registration fire
- refractory anemia
- reflection factor
- recreational drug
- recording company
- reciprocating saw
- recessional march
- rattus norvegicus
- rapid eye movement
- raoulia lutescens
- range of mountains
- railroad terminal
- railroad engineer
- radio transmitter
- radiation therapy
- quercus mongolica
- quercus arizonica
- quellung reaction
- python variegatus
- pyroligneous acid
- purple granadillo
- psophia crepitans
- protium guianense
- protea cynaroides
- properly speaking
- pronominal phrase
- professional golf
- procavia capensis
- probation officer
- pritzelago alpina
- primary dentition
- price of admission
- press association
- president madison
- prairie wake-robin
- prairie sunflower
- prairie gourd vine
- potential divider
- postmature infant
- pond-scum parasite
- polysemantic word
- police department
- point of periapsis
- pocket dictionary
- plastering trowel
- plaintiff in error
- pilea involucrata
- pieris floribunda
- physical exertion
- philip vi of france
- philip ii of france
- petronius arbiter
- personal identity
- personal equation
- pernicious anemia
- peritoneal cavity
- peripheral vision
- peptic ulceration
- penstemon palmeri
- pellitory-of-spain
- patagonian desert
- passive transport
- party to the action
- park commissioner
- pagophila eburnea
- overland campaign
- over and over again
- ovarian pregnancy
- osseous labyrinth
- osculating circle
- oriental scops owl
- organic structure
- organic evolution
- organic chemistry
- order thecodontia
- order testudinata
- order scorpionida
- order pycnogonida
- order insectivora
- order gregarinida
- order gentianales
- order corrodentia
- order coniferales
- order belemnoidea
- order anacanthini
- orbignya spesiosa
- orb-weaving spider
- optical condenser
- operating theatre
- operating theater
- operating surgeon
- operating capital
- onion yellow dwarf
- olive-drab uniform
- old irish language
- oil-hardened steel
- off-line operation
- oenothera biennis
- observation tower
- obligate anaerobe
- oat cell carcinoma
- numeration system
- numenius borealis
- nuclear terrorism
- nuclear explosion
- notornis mantelli
- northern sea robin
- northern marianas
- northern alliance
- north platte river
- nonpasserine bird
- no fault insurance
- nitrous bacterium
- nitrogen narcosis
- nitrogen fixation
- news organization
- neutron radiation
- nervii olfactorii
- neotoma floridana
- nellie tayloe ross
- natural selection
- myxinikela siroka
- mountain male fern
- motion-picture fan
- mother-in-law plant
- morone interrupta
- morning-after pill
- montia perfoliata
- monarda pectinata
- monadic operation
- moehringia mucosa
- missippian period
- mineral resources
- military governor
- military ceremony
- mikhail lermontov
- microcytic anemia
- mexican sunflower
- metronome marking
- metalworking vise
- meadow cranesbill
- master of fine arts
- master of divinity
- marriage contract
- marriage ceremony
- marine archeology
- maricopa language
- marginal wood fern
- maraschino cherry
- manner of speaking
- managing director
- malthusian theory
- malignant neuroma
- magnetic recorder
- machine operation
- louis xvi of france
- louis xiv of france
- louis xii of france
- louis iii of france
- lorenz milton hart
- looking glass tree
- lonicera tatarica
- lonicera morrowii
- lobelia dortmanna
- little dictionary
- lithium carbonate
- literary movement
- linear regression
- line organization
- line organisation
- lewis henry morgan
- levi-lorrain dwarf
- lepiota americana
- leonurus cardiaca
- learning disorder
- lawrence of arabia
- law of segregation
- lateral line organ
- langue d'oil french
- kniphofia praecox
- king of the germans
- king james version
- juniperus procera
- judicial doctrine
- juan ramon jimenez
- juan domingo peron
- joseph banks rhine
- john milton cage jr.
- jacques bernoulli
- irrational number
- irrational motive
- ion-exchange resin
- iodinated protein
- invertebrate foot
- inverse cotangent
- international law
- intermediate host
- insurance company
- inspector general
- innominate artery
- infrared emission
- inflation therapy
- inferior vena cava
- indian rhinoceros
- indian button fern
- incubation period
- income tax bracket
- incentive program
- in great confusion
- improper fraction
- implosion therapy
- imperforate hymen
- imminent abortion
- imitation leather
- image compression
- illiterate person
- ignoratio elenchi
- identity operator
- hypericum ascyron
- hydroplane racing
- homeland security
- histamine blocker
- hippotragus niger
- hieracium venosum
- hermann minkowski
- henry vi of england
- henry iv of england
- henry iii of france
- henry ii of england
- henrik johan ibsen
- hemorrhoidal vein
- hatiora gaertneri
- hairy honeysuckle
- hairy golden aster
- habenaria hookeri
- habenaria bifolia
- gyromitra brunnea
- gymnosperm family
- guibert of ravenna
- guglielmo marconi
- group amentiferae
- grindelia robusta
- gregory nazianzen
- greenland caribou
- grape-leaf begonia
- grains of paradise
- graeco-roman deity
- graafian follicle
- golden marguerite
- golden maidenhair
- golden gate bridge
- going to jerusalem
- gloxinia perennis
- giant helleborine
- gerbera jamesonii
- george balanchine
- genus volvariella
- genus trichostema
- genus trichomonas
- genus trachinotus
- genus spirochaeta
- genus sclerotinia
- genus sarcophilus
- genus sarcocystis
- genus sarcochilus
- genus saprolegnia
- genus richmondena
- genus rhizoctinia
- genus pyrrhuloxia
- genus pterocnemia
- genus pseudolarix
- genus phthorimaea
- genus pelargonium
- genus parkinsonia
- genus nitrobacter
- genus microgramma
- genus macrocheira
- genus loiseleuria
- genus litocranius
- genus lithocarpus
- genus lastreopsis
- genus hypochaeris
- genus hydrocharis
- genus hippotragus
- genus heliobacter
- genus heliamphora
- genus groenlandia
- genus globigerina
- genus galeorhinus
- genus fothergilla
- genus formicarius
- genus dictyophera
- genus dialeurodes
- genus cryptomeria
- genus cortinarius
- genus convallaria
- genus coniogramme
- genus cochlearius
- genus ceratozamia
- genus castoroides
- genus casmerodius
- genus capricornis
- genus callorhinus
- genus callimorpha
- genus calceolaria
- genus blandfordia
- genus bacteroides
- genus atrichornis
- genus aristotelia
- genus archilochus
- genus archaeornis
- genus arabidopsis
- genus anisotremus
- genus agriocharis
- genus actinomeris
- genus acrostichum
- genus acroclinium
- genista tinctoria
- genetic algorithm
- gastric digestion
- garden heliotrope
- gallinaceous bird
- gabonese republic
- fringe-toed lizard
- franz joseph kline
- francois duvalier
- francois couperin
- four-lined leaf bug
- formica sanguinea
- for a bargain price
- flowering tobacco
- florida strap fern
- florida gallinule
- fissure of rolando
- first baron kelvin
- fire control radar
- fire and brimstone
- financial officer
- fetal circulation
- fertilization age
- ferdinand i of leon
- feast of dormition
- family vireonidae
- family trogonidae
- family portunidae
- family onagraceae
- explorer's gentian
- exoergic reaction
- exclusionary rule
- examination paper
- european tortoise
- european nightjar
- european field elm
- eurasian woodcock
- euphorbia fulgens
- euphorbia dentata
- eucerin anhydrous
- estimation theory
- espionage network
- erysimum allionii
- eriogonum allenii
- erigeron glaucous
- equatorial guinea
- equal opportunity
- entopic pregnancy
- emotional arousal
- electronic signal
- edward i of england
- ectopic pregnancy
- echinoderm family
- eastern poison oak
- early-morning hour
- dramatis personae
- dot matrix printer
- dorothea lynde dix
- doctor of fine arts
- doberman pinscher
- divine revelation
- district attorney
- dino paul crocetti
- differential cost
- depreciation rate
- denisonia superba
- dendroica tigrina
- dendroica striate
- defecation reflex
- deep temporal vein
- david rittenhouse
- daniel rutherford
- dangling modifier
- ctenophore family
- cruciferous plant
- criminal contempt
- criminal congress
- cremation chamber
- cote d'ivoire franc
- corylus americana
- correlation table
- corporate finance
- coronary care unit
- cornus canadensis
- cordial reception
- copernican system
- coordinate system
- coordinate clause
- conversion factor
- contrast material
- contractile organ
- continental drift
- concrete vibrator
- concentrated fire
- computer filename
- computer file name
- compression ratio
- compensatory time
- common maidenhair
- commander-in-chief
- close corporation
- clitoria turnatea
- clethra alnifolia
- clay-colored robin
- chromatin granule
- christmas begonia
- christian doppler
- chino-japanese war
- chinese alligator
- chicken casserole
- chemical reaction
- ceroxylon alpinum
- ceratonia siliqua
- centripetal force
- centrifugal force
- centre-val de loire
- cellulose nitrate
- celestial horizon
- cecil frank powell
- castor canadensis
- cartesian product
- carolina pond fern
- carolina parakeet
- carolina moonseed
- carolina allspice
- career counseling
- cardiogenic shock
- cardinal grosbeak
- cardiac tamponade
- cardamine bulbosa
- capricorn the goat
- capital of grenada
- cape breton island
- capacitive sensor
- canarybird flower
- canadian province
- california romero
- california redbud
- california nutmeg
- california laurel
- california coffee
- california beauty
- calcium carbonate
- caesarian section
- caesarean section
- c-reactive protein
- buccinator muscle
- brooder pneumonia
- broaching machine
- brisbane quandong
- bourguignon sauce
- board of trade unit
- blatta orientalis
- bitter orange tree
- berna eli oldfield
- benedict of nursia
- begonia socotrana
- beggar-my-neighbor
- battle of navarino
- baton rouge bridge
- base of operations
- axial flow turbine
- average deviation
- augustinian order
- astronomical year
- assistant foreman
- artistic movement
- arteria coronaria
- approximate range
- antonio ghislieri
- antoine lavoisier
- anthrax pneumonia
- anterior synechia
- antennaria dioica
- antelope squirrel
- annona reticulata
- anionic detergent
- andrew's clintonia
- analytic geometry
- amoebic dysentery
- american wormseed
- american white oak
- american mastodon
- american licorice
- american frontier
- american antelope
- alpha fetoprotein
- alligator snapper
- alaska rein orchid
- agrostis nebulosa
- agrimonia procera
- african love grass
- african crocodile
- aerosol container
- aeonium haworthii
- adverse selection
- adventitious root
- adjective pronoun
- adhesion contract
- addition reaction
- addison's syndrome
- actinic keratosis
- acceleration unit
- abronia umbellata
- abronia elliptica
