15-letter words containing r, c, o, l
- black horehound — a hairy unpleasant-smelling chiefly Mediterranean plant, Ballota nigra, having clusters of purple flowers: family Lamiaceae (labiates)
- black operation — a covert and undocumented military operation
- black snakeroot — a tall bugbane, Cimicifuga racemosa, of the buttercup family, of eastern North America, having thin, tapering, toothed or deeply cut leaflets and branched clusters of small, white flowers.
- bladder campion — a European caryophyllaceous plant, Silene vulgaris, having white flowers with an inflated calyx
- 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.
- blocked records — (storage) Several records written as a contiguous block on magnetic tape so that they may be accessed in a single I/O operation. Blocking increases the amount of data that may be stored on a tape because there are fewer inter-block gaps. It requires that the tape drive or processor have a sufficiently large buffer to store the whole block.
- 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.
- blotch printing — a fabric-printing method in which the ground color is transferred from the cylinder and the motif retains the original hue of the cloth.
- blow one's cork — to lose one's temper; become enraged
- 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
- borough council — a local government body elected by a borough
- 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.
- brachiocephalic — of, relating to, or supplying the arm and head
- branchial pouch — one of a series of rudimentary outcroppings of the inner pharyngeal wall, corresponding to the branchial grooves on the surface.
- bristol channel — an inlet of the Atlantic, between S Wales and SW England, merging into the Severn estuary. Length: about 137 km (85 miles)
- british council — an organization founded (1934) to extend the influence of British culture and education throughout the world
- british telecom — the popular name for British Telecommunications Group plc, the dominant fixed line telecommunications and broadband internet provider in the United Kingdom
- bromoil process — a process for making an offset reproduction by first making a photographic print on paper with a silver bromide emulsion, wetting it, and then using it as a lithographic plate, the lighter parts of the emulsion tending to repel the oil base of the ink and the darker parts tending to hold it.
- bronchial tubes — the bronchi or their smaller divisions
- bronzed grackle — the western subspecies of the American bird, the common grackle, Quiscalus quiscula versicolor, having bronzy, iridescent plumage.
- brooklyn center — a city in SE Minnesota, near Minneapolis.
- 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.
- 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.
- caldecott award — an annual award in the U.S. for an outstanding illustrated juvenile book.
- 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-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 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
- camelot library — (library)
- camp counsellor — an adult supervisor assigned to a group of campers at a summer camp
- camphorated oil — a liniment consisting of camphor and peanut oil, used as a counterirritant
- cannonball tree — a South American tree, Couroupita guianensis, bearing round, woody-husked fruit whose shells are used to make containers and utensils.
- capillarization — The formation and development of a network of capillaries to a part of the body; it is increased by aerobic exercise.
- caprifoliaceous — of, relating to, or belonging to the Caprifoliaceae, a family of N temperate shrubs, small trees, and climbers including honeysuckle, elder, and guelder-rose
- carboxylic acid — any of a class of organic acids containing the carboxyl group