15-letter words containing o, c, u
- biscuit tortoni — an individual portion of tortoni, frozen and served in a small cup, often topped with ground almonds.
- bishop auckland — a town in N England, in central Durham: seat of the bishops of Durham since the 12th century: light industries. Pop: 24 764 (2001)
- bituminous coal — a soft black coal, rich in volatile hydrocarbons, that burns with a smoky yellow flame. Fixed carbon content: 46–86 per cent; calorific value: 1.93 × 107 – 3.63 × 107 J/kg
- black guillemot — a common guillemot, Cepphus grylle: its summer plumage is black with white wing patches and its winter plumage white with greyish wings
- black horehound — a hairy unpleasant-smelling chiefly Mediterranean plant, Ballota nigra, having clusters of purple flowers: family Lamiaceae (labiates)
- black mountains — a mountain range running from N Monmouthshire and SE Powys (Wales) to SW Herefordshire (England). Highest peak: Waun Fach, 811 m (2660 ft)
- blockade runner — a person, ship etc that tries to carry goods through a blockade
- blockade-runner — a ship or person that passes through a blockade.
- blood corpuscle — one of the cells in the blood
- bloody butchers — a hardy plant, Trillium sessile, common from New York to Georgia and westward, having stalkless, purple or green flowers.
- blue cattle dog — an Australian breed of dog with a bluish coat, developed for herding cattle
- blueback salmon — sockeye salmon.
- bodily function — A person's bodily functions are the normal physical processes that regularly occur in their body, particularly the ability to urinate and defecate.
- bone conduction — the transmission of sound vibrations to the internal ear through the cranial bones (opposed to air conduction).
- book of account — a book to keep accounts in; ledger
- boom-bust cycle — A boom-bust cycle is a series of events in which a rapid increase in business activity in the economy is followed by a rapid decrease in business activity, and this process is repeated again and again.
- booster cushion — an extra seat or cushion placed on an existing seat for a child to sit on in a car
- borough council — a local government body elected by a borough
- borscht circuit — summer resort hotels in the Catskills and White Mountains, where entertainment is provided for the guests
- bourbon biscuit — a rich chocolate-flavoured biscuit with a chocolate-cream filling
- boustrophedonic — of or relating to lines written in opposite directions
- box huckleberry — a nearly prostrate evergreen huckleberry shrub, Gaylussacia brachycera, of central to eastern North America, having short clusters of white or pink flowers and blue fruit.
- brachystomatous — having a short proboscis, as certain insects.
- branchial pouch — one of a series of rudimentary outcroppings of the inner pharyngeal wall, corresponding to the branchial grooves on the surface.
- branchiostegous — branchiostegal.
- breach of trust — a violation of duty by a trustee or any other person in a fiduciary position
- british council — an organization founded (1934) to extend the influence of British culture and education throughout the world
- bronchial tubes — the bronchi or their smaller divisions
- bucket conveyor — a conveyor consisting of an endless chain with a series of buckets attached at regular intervals, used for moving ore, gravel, grain, or other bulk materials.
- bucket elevator — a chain of buckets for raising liquids or materials to a higher level
- buffalo currant — an ornamental shrub, Ribes odoratum, of the central U.S., having showy, drooping clusters of fragrant yellow flowers and edible black fruit.
- bullock's heart — the large, edible fruit of a tropical American tree, Annona reticulata.
- bullock's-heart — the large, edible fruit of a tropical American tree, Annona reticulata.
- business office — the office where the financial transactions, bookkeeping, etc. for a firm or institution are carried on
- business school — A business school is a school or college which teaches business subjects such as economics and management.
- butcher's-broom — a liliaceous evergreen shrub, Ruscus aculeatus, that has stiff prickle-tipped flattened green stems, which resemble and function as true leaves. The plant was formerly used for making brooms
- buy-back option — the option for a company to buy some or all of its shares from an investor, who acquired them by putting venture capital into the company when it was formed
- by all accounts — according to everyone
- cache la poudre — a river in N Colorado, flowing N and E to the South Platte River. 126 miles (203 km) long.
- calcareous clay — soil with high limestone content
- calcareous tufa — tufa
- calcium blocker — any of a group of drugs that prevent the influx of calcium into excitable tissues such as smooth muscle of the heart or arterioles, used in the treatment of angina, hypertension, and certain arrhythmias.
- calcium oxalate — a white, crystalline powder, CaC 2 O 4 , insoluble in water, used in making oxalic acid.
- california gull — a large gull, Larus californicus, of the western U.S.
- call to account — to insist on explanation
- call-out charge — a set amount charged for a repairman to come to one's house, or to a broken-down vehicle, which is added to the cost of the actual repair
- calorific value — the quantity of heat produced by the complete combustion of a given mass of a fuel, usually expressed in joules per kilogram
- calydonian hunt — the pursuit by Meleager, Atalanta, and others of a savage boar (Calydonian boar) sent by Artemis to lay waste to Calydon.
- camp counsellor — an adult supervisor assigned to a group of campers at a summer camp
- campaign button — a disk-shaped pin worn by a supporter of a political candidate, usually bearing the name of the candidate and often a slogan or the candidate's picture.