10-letter words containing o, u, b, a
- back focus — the distance between the back surface of a lens and the focal plane when the lens is focused at infinity.
- back quote — (character) "`" ASCII code 96. Common names: left quote; left single quote; open quote; ITU-T: grave accent; grave. Rare: backprime; INTERCAL: backspark; unapostrophe; birk; blugle; back tick; back glitch; push; ITU-T: opening single quotation mark; quasiquote. Back quote is used in Unix shells to invoke command substitution.
- backcourts — Plural form of backcourt.
- background — Your background is the kind of family you come from and the kind of education you have had. It can also refer to such things as your social and racial origins, your financial status, or the type of work experience that you have.
- baculiform — shaped like a rod
- badmouthed — Simple past tense and past participle of badmouth.
- bakehouses — Plural form of bakehouse.
- barbarious — (dated, before 20th century, now literary) barbarous, barbaric.
- bardacious — bodacious.
- bargainous — (informal) cheap (characteristic of a bargain).
- barosaurus — Any of the genus Barosaurus of long-tailed, long-necked, herbivorous dinosaurs.
- barotrauma — an injury caused by changes in atmospheric pressure, esp to the eardrums or lungs
- barracouta — a large predatory Pacific fish, Thyrsites atun, with a protruding lower jaw and strong teeth: family Gempylidae
- barratrous — (legal) Tainted with, or constituting, barratry.
- basutoland — Lesotho
- bat around — to discuss (an idea, proposition, etc) informally
- bathhouses — Plural form of bathhouse.
- battailous — ready for battle; pugnacious
- baudouin i — 1930–93, king of Belgium (1951–93)
- bawdyhouse — a house of prostitution
- beat about — to hunt or look through or around
- beat up on — If someone beats up on a person or beats on them, they hit or kick the person many times.
- beau monde — the world of fashion and society
- beaujolais — Beaujolais is a type of red wine that comes from the region of eastern France called Beaujolais.
- because of — If an event or situation occurs because of something, that thing is the reason or cause.
- behaviours — manner of behaving or acting.
- belorussia — historical region in central Europe corresponding to present-day Belarus
- benzofuran — a colourless insoluble aromatic liquid obtained from coal tar and used in the manufacture of synthetic resins. Formula: C8H6O
- betancourt — Rómulo [rom-yuh-loh;; Spanish raw-moo-law] /ˈrɒm yəˌloʊ;; Spanish ˈrɔ muˌlɔ/ (Show IPA), 1908–81, Venezuelan journalist and political leader: president of Venezuela 1945–48 and 1959–64.
- betula oil — methyl salicylate.
- bicornuate — Botany, Zoology. having two horns or hornlike parts.
- binoculars — Binoculars consist of two small telescopes joined together side by side, which you look through in order to look at things that are a long way away.
- biobutanol — butyl alcohol.
- bipetalous — having two petals
- bivouacked — a military encampment made with tents or improvised shelters, usually without shelter or protection from enemy fire.
- blanquillo — any of several game fishes of the genus Caulolatilus, related to the tilefishes.
- blue coral — any coral of the genus Heliopora, having brown polyps and a blue skeleton, found in the Indo-Pacific region.
- bluethroat — a small brownish European songbird, Cyanosylvia svecica, related to the thrushes, the male of which has a blue throat: family Muscicapidae
- board rule — a measuring device for estimating the number of board feet in a quantity of wood
- boarded-up — with windows and doors covered with boards for security
- boastfully — given to or characterized by boasting.
- bomb squad — a squad or force of police officers or others trained to disarm bombs and other explosive devices.
- bonus army — a group of 12,000 World War I veterans who massed in Washington, D.C., the summer of 1932 to induce Congress to appropriate moneys for the payment of bonus certificates granted in 1924.
- 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 value — In business, the book value of an asset is the value it is given in the account books of the company that owns it.
- bordereaux — a detailed memorandum, especially one in which documents are listed.
- boucicault — Dion (ˈdaɪɒn), real name Dionysius Lardner Boursiquot. 1822–90, Irish dramatist and actor. His plays include London Assurance (1841), The Octoroon (1859), and The Shaughran (1874)
- bouguereau — Adolphe William [a-dawlf veel-yam] /aˈdɔlf vilˈyam/ (Show IPA), 1825–1905, French painter.