12-letter words containing a, e, t, o
- autoexec.bat — (operating system) The batch file containing commands, loaded by MS-DOS after running CONFIG.SYS. AUTOEXEC.BAT contains normal DOS commands and can be used for additional system configuration such as setting paths and variables, configuring network connections and running application programs.
- autoexposure — A device that sets the exposure automatically on a camera or other piece of equipment.
- autofellatio — Oral stimulation of one's own penis.
- autogenously — In an autogenous manner; spontaneously.
- autoinjector — A medical device designed to deliver a single dose of a particular, typically life-saving, drug.
- autoreactive — (immunology, medicine) Acting against the organism by which it was produced.
- autotheistic — Self-worshiping; prideful in the extreme.
- autotoxaemia — autointoxication.
- autumn olive — a spiny shrub (Elaeagnus umbellata) of the oleaster family, having leaves covered with silvery or brown scales
- averruncator — a long pair of shears used for pruning the higher branches of trees
- ayuntamiento — (in Spain) a municipal council
- azathioprine — a synthetic drug that suppresses the normal immune responses of the body and is administered orally during and after organ transplantation and also in certain types of autoimmune disease. Formula: C9H7N7O2S
- babcock test — a test for determining the butterfat content of milk and milk products, conducted by adding sulfuric acid to a sample and then centrifuging it in a flask with a calibrated neck in which the liquefied fat collects.
- babingtonite — a rare, slightly magnetic, black or dark green silicate mineral, Ca2Fe2Si5O14OH, found in cavities in volcanic rock
- baby boomlet — a period of increase in the birthrate, smaller than a baby boom, as in the U.S. during the 1980s and 1990s.
- baby brother — a younger brother
- bachelorette — A bachelorette is a woman who has never married.
- back-stopped — a wall, wire screen, or the like, serving to prevent a ball from going too far beyond the normal playing area.
- bacteriocide — Alternative form of bactericide.
- bacteriology — Bacteriology is the science and the study of bacteria.
- bacteriostat — any substance that arrests the growth or reproduction of bacteria but does not kill them
- baked potato — a large potato baked in its skin
- balletomanes — Plural form of balletomane.
- balletomania — passionate enthusiasm for ballet
- balloon seat — (on some 18th-century chairs) a seat having an outline resembling that of a bell.
- balloon tire — a wide, deep-walled pneumatic tire with relatively low air pressure to lessen the shock of bumps
- balloon tyre — a pneumatic tyre containing air at a relatively low pressure and having a wide tread
- ballot paper — A ballot paper is a piece of paper on which you indicate your choice or opinion in an election or ballot.
- ballottement — a technique of feeling for a movable object in the body, esp confirmation of pregnancy by feeling the rebound of the fetus following a quick digital tap on the wall of the uterus
- bandoneonist — One who plays the bandoneon.
- bank deposit — money placed in a bank account
- banquet room — A banquet room is a room in a hotel where large formal meals for many people can be held.
- barnstormers — Plural form of barnstormer.
- barometrical — (archaic) Relating to, or observed with, a barometer, barometric.
- baroreceptor — a collection of sensory nerve endings, principally in the carotid sinuses and the aortic arch, that monitor blood pressure changes in the body
- barquisimeto — a city in NW Venezuela. Pop: 1 009 000 (2005 est)
- base station — a fixed transmitter that forms part of an otherwise mobile radio network
- basset hound — A basset hound is a dog with short strong legs, a long body, and long ears. It is kept as a pet or used for hunting.
- bastel house — (on the Anglo-Scottish border) a partly fortified house, usually with a vaulted ground floor.
- baton charge — A baton charge is an attacking forward movement made by a large group of policemen carrying batons.
- batter board — (at a building site) one of a number of boards set horizontally to support strings for outlining the foundation plan of a building.
- batter's box — box1 (def 16a).
- battle group — a group of warships usually consisting of at least one aircraft carrier, other surface ships, submarines, landing craft, etc
- battle royal — a fight, esp with fists or cudgels, involving more than two combatants; melee
- battle wagon — a battleship.
- battlefronts — Plural form of battlefront.
- battleground — A battleground is the same as a battlefield.
- battlewagons — Plural form of battlewagon.
- battleworthy — capable of engaging in combat; ready for battle: a decline in the nation's battleworthy forces.
- bayonet bulb — an electric light bulb which is inserted into the socket against spring pressure and turned so that pins on its side engage in slots in the socket