12-letter words containing o, y
- bonnyclabber — clotted or curdled milk
- boobytrapped — to set with or as if with a booby trap; attach a booby trap to or in.
- book society — book club.
- bootleg play — a play in which the quarterback pretends to hand the ball to a teammate, hides it by placing it next to his hip, and runs with it.
- bootylicious — sexually attractive, esp with curvaceous buttocks
- bossier city — city in NW La., on the Red River opposite Shreveport: pop. 56,000
- bothy ballad — a folk song, esp one from the farming community of NE Scotland
- botrytis rot — a disease of many plants caused by fungi of the genus Botrytis, characterized by leaf blight, a tan-gray moldlike surface growth, and the rotting of stems and storage organs.
- bottle party — a party to which guests bring drink
- bottom yeast — a yeast whose cells, in the manufacture of wine and lager beer, fall to the bottom as a sediment.
- bottomlessly — from a bottomless point of view
- boulder clay — an unstratified glacial deposit consisting of fine clay, boulders, and pebbles
- bounden duty — duty one has a moral obligation to perform
- bourgeoisify — to convert to a bourgeois attitude or appearance
- boyoma falls — a series of seven cataracts in the NE Democratic Republic of Congo, on the upper River Congo: forms an unnavigable stretch of 90 km (56 miles), which falls 60 m (200 ft)
- brachycerous — (of insects) having short antennae
- break of day — dawn; daybreak.
- bring to bay — to force into a position from which retreat is impossible
- bronchoscopy — an examination by means of a bronchoscope.
- buffaloberry — any shrub of the genus Shepherdia native to North America
- bunny boiler — a person, esp a woman, who is considered to be emotionally unstable and likely to be dangerously vengeful
- buoyancy aid — a type of usually foam-filled lifejacket designed for use in sports such as canoeing
- bus topology — bus
- buying group — an association of companies who use their combined purchasing power to achieve the best prices from suppliers
- buying order — an order to buy a certain security
- buying power — the amount of services or goods a company, person, group or currency is able to purchase
- buying-power — Also called buying power. the ability to purchase goods and services.
- by deed poll — In Britain, if you change your name by deed poll, you change it officially and legally.
- by reason of — If one thing happens by reason of another, it happens because of it.
- by the dozen — in large quantities
- by the score — If things happen or exist by the score, they happen or exist in large numbers.
- by virtue of — on account of or by reason of
- by wholesale — at wholesale
- bye-election — a special election, not held at the time of a general election, to fill a vacancy in Parliament.
- byelorussian — Byelorussian means belonging or relating to Byelorussia or to its people or culture.
- bypass ratio — the ratio of the amount of air that bypasses the combustion chambers of an aircraft gas turbine to that passing through them
- cache memory — a small area of memory in a computer that can be accessed very quickly
- cachinnatory — Pertaining to loud or immoderate laughter.
- cadaverously — In a cadaverous manner.
- cafe society — people, esp intellectuals and artists who meet in cafés
- calamitously — In a calamitous manner.
- calcareously — in a calcareous manner
- caliginosity — darkness
- call of duty — responsibilities
- calumniatory — of, involving, or using calumny; slanderous; defamatory.
- calumniously — in a calumnious manner
- calycoideous — calycoid
- caméra stylo — the use of the camera as a means of personal expression, esp as practised by some directors of the New Wave
- cantillatory — involving chanting or incantation
- canyoneering — (US) Canyoning, a hybrid outdoor sport involving the traversal of river canyons.