10-letter words containing b, o, y, a
- bellyboard — a small surfboard, usually 3–4 feet (0.9–1.2 meters) long, for riding waves on one's belly, sometimes used in conjunction with swim fins.
- benzoylate — to introduce the benzoyl group into (an organic compound).
- billy goat — A billy goat is a male goat.
- bimodality — the state of being bimodal
- biodynamic — the branch of biology dealing with energy or the activity of living organisms (opposed to biostatics).
- biomagnify — to undergo biological magnification.
- bionically — utilizing electronic devices and mechanical parts to assist humans in performing difficult, dangerous, or intricate tasks, as by supplementing or duplicating parts of the body: The scientist used a bionic arm to examine the radioactive material.
- bioprivacy — the state of freedom from others having unauthorized access to biometric data about oneself
- biotherapy — the treatment of disease by means of substances, as serums, vaccines, penicillin, etc., secreted by or derived from living organisms
- biotically — from a biotic point of view
- bipolarity — having two poles, as the earth.
- bitonality — the quality of two musical keys being played simultaneously
- black body — a hypothetical body that would be capable of absorbing all the electromagnetic radiation falling on it
- blastocyst — the blastula of mammals: a sphere of cells (trophoblast) enclosing an inner mass of cells and a fluid-filled cavity (blastocoel)
- boastfully — given to or characterized by boasting.
- bobby calf — an unweaned calf culled for slaughter
- body armor — Body armor is special protective clothing that people such as soldiers and police officers sometimes wear when they are in danger of being attacked with guns or other weapons.
- body image — an individual's concept of his or her own body
- body track — the tracks of a railroad yard used for switching or sorting cars.
- bodyshaper — an undergarment which flattens the stomach, bottom etc
- bon voyage — You say 'bon voyage' to someone who is going on a journey, as a way of saying goodbye and wishing them good luck.
- 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.
- bony bream — an Australian freshwater clupeid fish, Fluvialosa richardsonii
- boob happy — suffering from the mental strain caused by the difficulties of prison life
- booby-trap — A booby-trap is something such as a bomb which is hidden or disguised and which causes death or injury when it is touched.
- booty call — a meeting arranged for the purpose of having sex
- botany bay — an inlet of the Tasman Sea, on the SE coast of Australia: surrounded by the suburbs of Sydney
- botryoidal — (of minerals, parts of plants, etc) shaped like a bunch of grapes
- bounty bag — a set of free samples, such as nappies and creams, given to mothers leaving hospital with a new baby
- box canyon — a canyon with vertical or almost vertical walls
- boxing day — Boxing Day is the 26th of December, the day after Christmas Day.
- brachydome — a dome whose face is parallel to the brachydiagonal axis in a crystal
- brachylogy — a concise style in speech or writing
- 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.
- buffy coat — a yellowish-white layer consisting of leukocytes that, upon centrifugation of blood, covers the red blood cells.
- butylation — the introduction of butyl into a compound
- byssaceous — consisting of fine threads
- cable buoy — a buoy marking or supporting part of a submerged cable.
- carbonylic — of, relating to, or characteristic of the carbonyl group.
- carboxylic — containing or pertaining to the carboxyl group or the carboxyl radical
- cardboardy — like cardboard, esp in stiffness, texture, or taste
- cheboksary — a port in W central Russia on the River Volga: capital of the Chuvash Republic. Pop: 446 000 (2005 est)
- clapperboy — a boy who operates a clapper
- cockabully — any of several small freshwater fish of New Zealand
- cognizably — In a cognizable manner.
- colwyn bay — a town and resort in N Wales, in Conwy county borough. Pop: 30 269 (2001)
- comparably — capable of being compared; having features in common with something else to permit or suggest comparison: He considered the Roman and British empires to be comparable.
- compatibly — capable of existing or living together in harmony: the most compatible married couple I know.
- confusably — In a confusable way; such that they may be confused.