15-letter words containing o, a, k
- breakbone fever — dengue
- breakdown cover — insurance cover against breakdowns in a vehicle
- breakeven point — a point at which the total revenue and total cost are equal
- breaking plough — a plough with a long shallow mouldboard for turning virgin land or sod land
- bronzed grackle — the western subspecies of the American bird, the common grackle, Quiscalus quiscula versicolor, having bronzy, iridescent plumage.
- bucket elevator — a chain of buckets for raising liquids or materials to a higher level
- 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.
- california mink — cacomistle.
- campaign worker — a person who carries out duties for a political candidate or party, esp before an election
- category killer — a person, product, or business that dominates a particular market
- 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.
- charleston peak — a mountain in SE Nevada: highest peak in the Spring Mountains. 11,919 feet (3635 meters).
- chicken cholera — fowl cholera.
- 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.
- 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
- cockfight chair — a chair designed to be sat on backward, having a bell seat and a crest rail that serves as an armrest.
- cocktail lounge — A cocktail lounge is a room in a hotel, restaurant, or club where you can buy alcoholic drinks.
- cocktail shaker — a container in which cocktails are mixed
- collecting bank — a bank that collects money from the account of the writer of a cheque on behalf of the person who has deposited the cheque into the bank
- collective mark — a trademark or service mark used by the members of a cooperative, a union, or other collective association to identify themselves as members.
- comfort blanket — a blanket that a young child is very attached to
- commercial bank — a bank primarily concerned with accepting demand deposits, used as checking accounts
- consumer market — the market of consumers for a particular good or service
- contact breaker — a switching device used in the distributor of an internal-combustion engine which controls the timing of the spark that ignites the spark plug
- contraclockwise — Counterclockwise.
- contract killer — a person hired to commit a murder
- corkscrew grass — a variety of spear grass, Austrostipa scabra, native to Australia, having very fine foliage, an erect seed head, and awns that twist up the seed head: family Poaceae
- coromandel work — lacquer work popular in England c1700 and marked by an incised design filled in with gold and color.
- cottonseed cake — cotton cake.
- counterattacked — Simple past tense and past participle of counterattack.
- counterattacker — a person who counter-attacks
- counterblockade — a retaliatory blockade
- coxsackie virus — any of various viruses that occur in the intestinal tract of man and cause diseases, some of which resemble poliomyelitis
- crack down (on) — to become strict or stricter (with)
- crackback block — a block in which a player, usually a wide receiver, angles back sharply towards the middle of the field and blocks a defensive player from the side
- cracked gas oil — Cracked gas oil is a gas oil which is formed as one of the products of a gas reaction.
- csk corporation — (company) The japanese company that owns CSK Software and Sega. CSK Corp. is the largest independent japanese software company.
- cyclical stocks — shares which are highly sensitive to the business cycle and affected by the performance of the economy
- czechoslovakian — Czechoslovakian means the same as Czechoslovak.
- dark adaptation — the adaptation of the eye to vision in the dark by dilation of the pupil, increased sensitivity of the retina, etc.
- dark-eyed junco — a common North American junco, Junco hyemalis, having a pink bill, gray and brown body plumage, white belly and outer tail feathers, and differing from other species of junco in having a dark brown rather than yellow iris.
- decision-making — the act or process of making decisions