12-letter words containing a, b, o
- arborescence — treelike in size and form.
- arborio rice — variety of round-grain rice used for making risotto
- arborization — a branching treelike appearance in certain fossils and minerals
- archibenthos — the ocean bottom between the littoral and abyssal zones: from depths of approximately 200 feet (60 meters) to 3300 feet (1000 meters).
- area bombing — aerial bombing in which bombs are dropped over the general area of a target.
- armourbearer — One who carries armor for another.
- around about — Around about means approximately.
- arousability — to stimulate sexually.
- art mobilier — small, movable art objects, especially primitive or prehistoric works of art.
- arthrobacter — a genus of rod-shaped or spherical bacteria found in the soil.
- asbestos mat — a heat-proof mat
- aschoff body — any of the spindleshaped nodules found in heart tissue and associated with the myocarditis of rheumatic fever.
- assault boat — a portable boat used for landing troops on beaches and for crossing rivers.
- assibilation — (linguistics) A sound change resulting in a sibilant consonant, commonly the final phase of palatalization.
- assumed bond — a bond issued by one corporation and assumed as an obligation by another.
- astonishable — (obsolete) Astonishing.
- astrobiology — the branch of biology that investigates the possibility of life elsewhere in the universe
- at a low ebb — in a state or period of weakness, lack of vigour, or decline
- atholl brose — a mixture of whisky and honey left to ferment before consumption
- attenborough — Sir David. born 1926, British naturalist and broadcaster; noted esp for his TV series Life on Earth (1978), The Living Planet (1983), The Life of Birds (1998), The Life of Mammals (2002), and First Life (2010)
- attributions — Plural form of attribution.
- atychiphobia — (rare) The fear of failure.
- authorizable — able to be authorized
- autoantibody — an antibody reacting with an antigen that is a part of the organism in which the antibody is formed
- 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.
- automobiling — (dated) present participle of automobile.
- automobilism — the use of automobiles, or the practices associated with them
- automobilist — Driver; person who uses a motor vehicle such as car, van or truck.
- automobility — the use of motor cars
- avoidability — The possibility of avoiding; the state or condition of being avoidable.
- avowableness — the quality or condition of being avowable
- baba gannouj — a salad of cooked eggplant, olive oil, garlic, etc.
- baba ghanouj — a Middle Eastern dish, a puree of broiled eggplant usually with garlic, lemon juice, and tahini, eaten with pita as an appetizer
- 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
- baby monitor — a device that transmits sounds made by a baby to another room
- baby-bouncer — a seat on springs suspended from a door frame, etc, in which a baby may be placed for exercise
- bachelor pad — a flat in which a bachelor lives
- bachelorette — A bachelorette is a woman who has never married.
- bachelorhood — the state of being a bachelor.
- bachelorship — the state of being a bachelor; bachelorhood
- back catalog — A musical performer's back catalog is the music that they recorded and released in the past rather than their latest recordings.
- back country — The back country is an area that is a long way from any city and has very few people living in it.
- back molding — a molding, as a backband, applied to interior window and door trim to conceal the edge of the wall surface.
- back to back — (of two similar events) following one immediately after the other; in unbroken sequence; consecutively: After losing all day, he picked winners back to back in the last two races.
- back to taws — back to the beginning
- back-stopped — a wall, wire screen, or the like, serving to prevent a ball from going too far beyond the normal playing area.
- back-to-back — Back-to-back wins or victories are victories that are gained one after another without any defeats between them.