15-letter words containing a, c, k
- blackberry bush — a bush on which blackberries grow
- blackberry lily — an ornamental Chinese iridaceous plant, Belamcanda chinensis, that has red-spotted orange flowers and clusters of black seeds that resemble blackberries
- blackwall hitch — a knot for hooking tackle to the end of a rope, holding fast when pulled but otherwise loose
- blagoveshchensk — a city and port in E Russia, in Siberia on the Amur River. Pop: 222 000 (2005 est)
- blank cartridge — a cartridge containing powder but no bullet: used in battle practice or as a signal
- 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.
- blueback salmon — sockeye salmon.
- book of account — a book to keep accounts in; ledger
- book of changes — an ancient Chinese book of divination, in which 64 pairs of trigrams are shown with various interpretations.
- brackett series — a series of lines in the infrared spectrum of hydrogen.
- brake parachute — a parachute attached to the rear of a vehicle and opened to assist braking
- breakdown cover — insurance cover against breakdowns in a vehicle
- breakeven chart — a graph measuring the value of an enterprise's revenue and costs against some index of its activity, such as percentage capacity. The intersection of the total revenue and total cost curves gives the breakeven point
- bronzed grackle — the western subspecies of the American bird, the common grackle, Quiscalus quiscula versicolor, having bronzy, iridescent plumage.
- brushback pitch — a fast ball deliberately thrown at or too near a batter's head
- bucket elevator — a chain of buckets for raising liquids or materials to a higher level
- buckinghamshire — a county in SE central England, containing the Vale of Aylesbury and parts of the Chiltern Hills: the geographic and ceremonial county includes Milton Keynes, which became an independent unitary authority in 1997. Administrative centre: Aylesbury. Pop (excluding Milton Keynes): 478 000 (2003 est). Area (excluding Milton Keynes): 1568 sq km (605 sq miles)
- 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.
- 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 a long chalk — You can use by a long chalk to add emphasis to something you are saying.
- 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.
- calculated risk — a chance of failure, the probability of which is estimated before some action is undertaken.
- california mink — cacomistle.
- camelback truss — a roof truss having upper and lower chords curving upward from a common point at each side.
- campaign worker — a person who carries out duties for a political candidate or party, esp before an election
- canadian whisky — a blended whisky made in Canada from rye and other grains
- cape chelyuskin — a cape in N central Russia, in N Siberia at the end of the Taimyr Peninsula: the northernmost point of Asia
- cashier's check — A cashier's check is one which a cashier signs and which is drawn on a bank's own funds.
- category killer — a person, product, or business that dominates a particular market
- center halfback — Field Hockey. the player in the middle among the halfbacks.
- central locking — a system by which all the doors of a motor vehicle can be locked simultaneously when the driver's door is locked
- chao k'uang-yin — (Tʾai Tsu) 927–976 a.d, Chinese emperor 960–976: founder of the Sung dynasty.
- characteristick — Obsolete form of characteristic.
- charles dickens — Charles (John Huf·fam) [huhf-uh m] /ˈhʌf əm/ (Show IPA), ("Boz") 1812–70, English novelist.
- charleston peak — a mountain in SE Nevada: highest peak in the Spring Mountains. 11,919 feet (3635 meters).
- check guarantee — A check guarantee is any method, usually via a plastic card, that guarantees that a payment made by check will be honored by the account holder’s bank.
- chiang kai-shek — original name Chiang Chung-cheng, 1887–1975, Chinese general: president of China (1928–31; 1943–49) and of the Republic of China (Taiwan) (1950–75). As chairman of the Kuomintang, he allied with the Communists against the Japanese (1937–45), but in the Civil War that followed was forced to withdraw to Taiwan after his defeat by the Communists (1949)
- chicken cholera — fowl cholera.
- chicken-and-egg — of or relating to a paradoxical situation, question, etc. involving two factors, each of which in turn causes or leads to the other
- chicken-hearted — easily frightened; cowardly
- choral speaking — recitation of poetry, dramatic pieces, etc. by a chorus of speakers
- cigarette smoke — the acrid smoke produced by cigarettes being smoked
- cinderella book — (publication) "Introduction to Automata Theory, Languages, and Computation", by John Hopcroft and Jeffrey Ullman, (Addison-Wesley, 1979). So called because the cover depicts a girl (putatively Cinderella) sitting in front of a Rube Goldberg device and holding a rope coming out of it. On the back cover, the device is in shambles after she has (inevitably) pulled on the rope. See also book titles.
- circuit breaker — A circuit breaker is a device which can stop the flow of electricity around a circuit by switching itself off if anything goes wrong.
- classical greek — the form of Greek used in classical literature, especially the literary Attic Greek of the 5th and 4th centuries b.c.
- clear the decks — to prepare for action, as by removing obstacles from a field of activity or combat
- cloak-and-sword — (of a drama or work of fiction) dealing with characters who wear cloaks and swords; concerned with the customs and romance of the nobility in bygone times.
- coachwhip snake — a slender nonvenomous snake, Masticophis flagellum, of the US