athletics
A group of sporting activities including track and field, road running, cross country and racewalking.
Physical activities such as sports and games requiring stamina, fitness and skill.

atomsite
Synonym of trinitite.

attainder
The state a prisoner entered once a death sentence (usually for treason) had been issued; the state of being stripped of all civil rights.
A stain; a state of dishonour or condemnation.

attainders
plural of attainder

attaindre
Rare spelling of attainder.

attaindres
plural of attaindre

auberge
An inn or hostel.

auberges
plural of auberge

audiencia
An appellate court of the Spanish empire.

audiencias
plural of audiencia

audiocup
An enclosure for a headphone that restricts ambient noise

audiocups
plural of audiocup

aufruf
An aliyah (Torah reading) made by the bridegroom, typically on the Shabbat before the wedding; a gathering at which this occurs.

aula
A court or hall.
The anterior part of the third ventricle of the brain leading to the lateral ventricles.

aulae
plural of aula

aulas
plural of aula

aurei
plural of aureus

aureii
plural of aureus

aureus
A gold coin, minted in the Roman Empire from approximately 100 B.C.E. to 309 C.E., equal to 25 denarii.

auteurism
A theory that considers a work of cinema or television as the work of its director, rather than of the actors or producers

autobahn
The high-speed intercity highways of Germany and Austria.
Any wide, high-speed road.

autobahnen
plural of autobahn

autobahns
plural of autobahn

autocephality
The right of autonomy for a church; specifically, the right to resolve all internal problems on its own authority and to appoint its own bishops, including the head of the church, without any obligatory expression of dependence on another church.

autochthonies
plural of autochthony

autochthony
An aboriginal condition or state.

autocoup
A coup d'état in which a nation's leader, despite having come to power through legal means, dissolves or renders powerless the national legislature and unlawfully assumes extraordinary powers.

autocoups
plural of autocoup

autofac
Synonym of autofactory (“a factory capable of running autonomously”).

autofacs
plural of autofac

autofactories
plural of autofactory

autofactory
A factory capable of running autonomously.

autogenocide
The extermination of a country's citizens by its own people or government.
Genocide of a particular group by members of that group.

autogolpe
An autocoup, especially one in a Spanish-speaking country.

autogolpes
plural of autogolpe

autohotel
A love hotel in South or Central America.

autohotels
plural of autohotel

automacy
The quality, state, or condition of being automatic; automaticity.

automigration
The transmission of folktales from one region to another, viewed as a self-actuating process rather than something done intentionally by people.

autophragm
The wall of an autocyst.

autophragms
plural of autophragm

autoscroller
A section of a video game which automatically scrolls the player through it, or in which the play area scrolls automatically and the player must keep up.

autoscrollers
plural of autoscroller

autosite
The independent twin of a pair of conjoined twins where the other twin is parasitic.

autoslalom
A motorsport involving timed precision driving around short temporary courses marked out on spaces such as car parks or disused airport runways.

avantpop
An American artistic movement which derived from postmodernism in the 1990s, characterized by the reuse of existing mass media materials (cinema, pop music, television, etc.) in an avant-garde manner.

avenue
A broad street, especially one bordered by trees or, in cities laid out in a grid pattern, one that is on a particular side of the city or that runs in a particular direction.
A way or opening for entrance into a place; a passage by which a place may be reached; a way of approach or of exit.
The principal walk or approach to a house which is withdrawn from the road, especially, such approach bordered on each side by trees; any broad passageway thus bordered.
A method or means by which something may be accomplished.

avenues
plural of avenue

avifauna
The birds, or all the kinds of birds, inhabiting a region.

avifaunae
plural of avifauna

avifaunas
plural of avifauna

awning
A rooflike cover, usually of canvas, extended over or before any place as a shelter from the sun, rain, or wind.
That part of the poop deck which is continued forward beyond the bulkhead of the cabin.

awnings
plural of awning

axiogenesis
A form of metaphysical optimism in which the state of affairs actually obtains which is the one most favourable (of all possible states of affairs) to the development of intelligence and the interests of intelligent beings.
A mechanism in which the cosmological excess of baryons over antibaryons is generated from the rotation of the QCD axion.

axonies
plural of axony

axony
The location of the dominant digit of a hand or foot, typically in a handprint or footprint

ayacut
The area served by an irrigation project such as a canal, dam or a tank.

ayacuts
plural of ayacut

ayuntamientos
plural of ayuntamiento

azimuthon
An exciton-polariton confined steady state with azimuthally modulated density

azimuthons
plural of azimuthon

babelization
The situation where a region that formerly spoke a single language comes to speak several different languages.

babylift
The evacuation of foreign children from abroad into a country for adoption.

babylifts
plural of babylift

bachata
A genre of music originating in the Dominican Republic.
A style of dance accompanying this music.

bachatas
plural of bachata

backarc
The landward region of a volcanic chain, opposite the subduction zone.

backarcs
plural of backarc

backbar
The area behind the counter at a soda fountain, where drinks are prepared.

backbars
plural of backbar

backbeach
The area of beach furthest from the water's edge; the backshore.

backbeaches
plural of backbeach

backblock
A remote tract of land in the interior; hence (in plural) sparsely populated country far from major cities and lacking conveniences common in urban areas.
Land behind that which fronts on water; land without a permanent watercourse.

backblocks
plural of backblock

backcountries
plural of backcountry

backcountry
A remote region; countryside that is relatively inaccessible.

backcourt
A courtyard behind a housing block or tenement building.
A team's defensive half of the court; the part of the court where the other team's basket is located, or the guards playing in that area.
The area farthest from the opponent's goal around the nine-metre line, where a team's defensive centre players are located.

backcourts
plural of backcourt

backdam
A dam that lies to the rear of something.
A region of rural, undeveloped land, especially on the outskirts of a farm.

backdams
plural of backdam

backgrounder
A briefing or document typically provided prior to a meeting or other event that gives basic details on subjects that are likely to be mentioned.
A person employed to draw backgrounds for a comic or cartoon.
A cattle farmer or rancher who runs a backgrounding operation.

backland
Land that lies behind or beyond some primary settlement or development.

backlands
plural of backland

backlead
An additional weight on a fishing line, to ensure that the line rests on the bed of the lake.

backleads
plural of backlead

backlot
The farthest section of a parking lot.
The area of a movie studio where outdoor scenes were filmed. It typically served as a generic "town", for example in westerns.

backlots
plural of backlot

backreef
A lagoon found in a coral reef ecosystem.

backreefs
plural of backreef

backroom
A room near the rear of a premises.
A room near the rear of a premises.

backrooms
plural of backroom

backrush
A rushing backward; a retreat.

backrushes
plural of backrush

backslope
A downward slope away from the bank of a river, mountain, etc.

backslopes
plural of backslope