10-letter words containing a, b, s, o
- bonus baby — an athlete who is paid a substantial bonus to sign his or her first professional contract.
- bonus ball — (in the National Lottery draw) a ball randomly selected after the first six balls, containing a number which influences the amount of prize money paid
- bonus pack — anything sold with a product and marketed as a useful and free extra
- book share — a share of a mutual fund credited to the account of a shareholder without the physical issuance of a certificate evidencing ownership.
- bordelaise — denoting a brown sauce flavoured with red wine and sometimes mushrooms
- boskop man — the undated cranial remains of a possible Homo sapiens found in the Transvaal of South Africa.
- bossa nova — a dance similar to the samba, originating in Brazil
- boston bag — a two-handled bag for carrying books, papers, etc.
- bostonians — of, relating to, or typical of Boston, Mass., or its residents: a Bostonian childhood; Bostonian reserve.
- boulangism — the doctrines of militarism and reprisals against Germany, advocated, especially in the 1880s, by the French general Boulanger.
- boundaries — something that indicates bounds or limits; a limiting or bounding line.
- bovaristic — an exaggerated, especially glamorized, estimate of oneself; conceit.
- bowser bag — doggy bag.
- box social — a fund-raising event at which donated box meals are auctioned
- box staple — a socket for holding the end of a lock bolt when the door is closed.
- brailowsky — Alexander [al-ig-zan-der,, -zahn-;; Russian uh-lyi-ksahn-dr] /ˌæl ɪgˈzæn dər,, -ˈzɑn-;; Russian ʌ lyɪˈksɑn dr/ (Show IPA), 1896–1976, Russian pianist.
- brainstorm — If you have a brainstorm, you suddenly become unable to think clearly.
- brake shoe — the curved metal casting to which the brake lining is riveted in a drum brake
- brassboard — in certain types of engineering, an experimental model at a more advanced stage of development than a breadboard (sense 2)
- brassbound — inflexibly entrenched
- bravissimo — very well done! excellent!
- bread shop — a baker's shop
- breastbone — Your breastbone is the long, flat bone which goes from your throat to the bottom of your ribs and to which your ribs are attached.
- breastplow — a cultivator moved forward by a person pressing the chest against a crossbar.
- breastwork — a temporary defensive work, usually breast-high
- broad seal — the official seal of a nation and its government
- broadbrush — lacking full detail or information; incomplete or rough
- broadlands — a Palladian mansion near Romsey in Hampshire: formerly the home of Lord Palmerston and Lord Mountbatten
- broadscale — on a broad scale; extensive; spread over a wide area
- broadsheet — A broadsheet is a newspaper that is printed on large sheets of paper. Broadsheets are generally considered to be more serious than other newspapers. Compare tabloid.
- broadsword — a broad-bladed sword used for cutting rather than stabbing
- bromegrass — any of various grasses of the genus Bromus, having small flower spikes in loose drooping clusters. Some species are used for hay
- brontosaur — apatosaurus
- broomstaff — a broomstick
- buffo bass — (in Italian opera of the 18th century) a bass singer who performs such a comic part
- bulbaceous — bulbous
- byssaceous — consisting of fine threads
- cabriolets — Plural form of cabriolet.
- calabooses — Plural form of calaboose.
- cancelbots — Plural form of cancelbot.
- canonsburg — a city in SW Pennsylvania.
- capsorubin — (organic compound) A di-hydroxy, keto carotenoid, which, together with capsanthin, constitutes the red pigment of paprika.
- carambolas — Plural form of carambola.
- carbanions — Plural form of carbanion.
- carbolised — phenolate (def 2).
- carbonados — Plural form of carbonado.
- carbonates — a salt or ester of carbonic acid.
- carbonised — Alternative spelling of carbonized.
- carbonizes — Third-person singular simple present indicative form of carbonize.
- carbonless — containing no carbon