15-letter words containing a, c, o, i
- board-certified — A doctor who is board-certified has passed tests and meets the standards of a board of specialists in their area of medicine.
- boarding school — A boarding school is a school which some or all of the pupils live in during the school term. Compare day school.
- borderline case — a person or thing that is not clearly classifiable as something
- bowel complaint — bowel disease or condition
- brachiocephalic — of, relating to, or supplying the arm and head
- brachistochrone — the curve between two points through which a body moves under the force of gravity in a shorter time than for any other curve; the path of quickest descent
- 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 faith — a violation of good faith, confidence, or trust; betrayal: To abandon your friends now would be a breach of faith.
- bristol channel — an inlet of the Atlantic, between S Wales and SW England, merging into the Severn estuary. Length: about 137 km (85 miles)
- britneyfication — the effect on clothes and fashions of following the revealing styles favoured by the US pop singer Britney Spears (born 1981)
- broca's aphasia — a type of aphasia caused by a lesion in Broca's area of the brain, characterized by misarticulated speech and lack of grammatical morphemes.
- bronchial tubes — the bronchi or their smaller divisions
- 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
- cacodaemoniacal — Demonic; evil.
- cadmean victory — a victory won with great losses to the victors
- caernarvonshire — (until 1974) a county of NW Wales, now part of Gwynedd
- caffe macchiato — a hot beverage consisting of espresso and a small amount of foamed milk.
- cairngorm-stone — smoky quartz.
- caisson disease — decompression sickness
- calamine lotion — a soothing lotion containing calamine
- 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.
- calendarization — the process of calendarizing
- california gull — a large gull, Larus californicus, of the western U.S.
- california mink — cacomistle.
- california roll — a sushi roll containing avocado, cucumber, and crabmeat, or imitation crabmeat, wrapped in vinegared rice and seaweed.
- california rose — a cultivated variety of a bindweed, Calystegia hederacea, having showy, double, rose-colored flowers.
- call for margin — a demand made by a stockbroker for partial payment of a client's debt due to decreasing value of the collateral
- call forwarding — a telephone service that allows incoming calls to be transferred automatically to another number or extension
- call into being — to create
- calorific value — the quantity of heat produced by the complete combustion of a given mass of a fuel, usually expressed in joules per kilogram
- calvin coolidge — Calvin, 1872–1933, 30th president of the U.S. 1923–29.
- calydonian boar — a savage boar sent by Artemis to destroy Calydon, a city in Aetolia, because its king had neglected to sacrifice to her. It was killed by Meleager, the king's son
- calydonian hunt — the pursuit by Meleager, Atalanta, and others of a savage boar (Calydonian boar) sent by Artemis to lay waste to Calydon.
- camelot library — (library)
- 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.
- campaign ribbon — a distinctively colored ribbon, either on a small, narrow bar or in the form of a strip, representing a military campaign participated in by the wearer.
- campaign worker — a person who carries out duties for a political candidate or party, esp before an election
- camphorated oil — a liniment consisting of camphor and peanut oil, used as a counterirritant
- canadian forces — the official name for the military forces of Canada
- canadian legion — a national social club for veterans of the Canadian armed services.
- canadianization — to make Canadian in character.
- cancel a policy — If you cancel a policy, you terminate a contract of insurance.
- canisterization — the process of putting (something) into a canister or canisters
- cannibalisation — Alternative form of cannibalization.
- cannibalization — to subject to cannibalism.
- canning factory — a building or group of buildings containing a plant assembly where food is sealed in cans or tins to preserve it
- capillarization — The formation and development of a network of capillaries to a part of the body; it is increased by aerobic exercise.
- capital account — A country's capital account is the part of its balance of payments that is concerned with the movement of capital.