15-letter words containing a, b, c, t, e, r
- blank cartridge — a cartridge containing powder but no bullet: used in battle practice or as a signal
- 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.
- boston massacre — an outbreak (1770) in Boston against British troops, in which a few citizens were killed
- 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
- 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
- branchial cleft — Zoology. one of a series of slitlike openings in the walls of the pharynx between the branchial arches of fishes and aquatic amphibians through which water passes from the pharynx to the exterior.
- branchiostegous — branchiostegal.
- bravais lattice — any of 14 possible space lattices found in crystals
- breach of faith — a violation of good faith, confidence, or trust; betrayal: To abandon your friends now would be a breach of faith.
- breach of trust — a violation of duty by a trustee or any other person in a fiduciary position
- 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
- breathing space — A breathing space is a short period of time between two activities in which you can recover from the first activity and prepare for the second one.
- breeder reactor — a type of nuclear reactor that produces more fissionable material than it consumes
- 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 america — British North America.
- britneyfication — the effect on clothes and fashions of following the revealing styles favoured by the US pop singer Britney Spears (born 1981)
- bronchial tubes — the bronchi or their smaller divisions
- brussels carpet — a worsted carpet with a heavy pile formed by uncut loops of wool on a linen warp
- 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.
- buryat republic — a constituent republic of SE central Russia, on Lake Baikal: mountainous, with forests covering over half the total area. Capital: Ulan-Ude. Pop: 981 000 (2002). Area: 351 300 sq km (135 608 sq miles)
- butterfly chair — a lightweight chair consisting of a piece of canvas, leather, etc. slung from a framework of metal bars
- cabinet picture — a small easel painting, usually under 3 feet (0.9 meters) in width and formerly exhibited in a cabinet or special room.
- cabinet scraper — a scraper used in preparing a wood surface for sanding.
- calcined baryta — baryta (def 1).
- calcined-baryta — Also called calcined baryta, barium oxide, barium monoxide, barium protoxide. a white or yellowish-white poisonous solid, BaO, highly reactive with water: used chiefly as a dehydrating agent and in the manufacture of glass.
- camelback truss — a roof truss having upper and lower chords curving upward from a common point at each side.
- camelot library — (library)
- cannonball tree — a South American tree, Couroupita guianensis, bearing round, woody-husked fruit whose shells are used to make containers and utensils.
- canterbury bell — a campanulaceous biennial European plant, Campanula medium, widely cultivated for its blue, violet, or white flowers
- canterbury lamb — New Zealand lamb exported chilled or frozen to the United Kingdom
- cantilever beam — a long thick straight-sided piece of wood, metal, concrete, etc that is fixed at one end and is free at the other
- cardinal beetle — any of various large N temperate beetles of the family Pyrochroidae, such as Pyrochroa serraticornis, typically scarlet or partly scarlet in colour
- caribbean plate — a major tectonic division of the earth's crust, encompassing the Central American portion of North America, the Caribbean Sea, and the islands of Cuba, Jamaica, Hispaniola, and Puerto Rico, as well as the Leeward and Windward Islands; bordered north and south by the North and South American Plates and west by the Cocos Plate.
- carry one's bat — (of an opening batsman) to reach the end of an innings without being dismissed
- cartesian doubt — willful suspension of all interpretations of experience that are not absolutely certain: used as a method of deriving, by elimination of such uncertainties, axioms upon which to base theories.
- cartier-bresson — Henri (ɑ̃ri). 1908–2004, French photographer
- cartridge brass — brass composed of about 70 percent copper and 30 percent zinc.
- catchment board — a public body concerned with the conservation and organization of water supply from a catchment area
- cattle breeding — the science or business of breeding and raising cattle
- center halfback — Field Hockey. the player in the middle among the halfbacks.
- centrifugal box — a revolving chamber, used in the spinning of manufactured filaments, in which the plastic fibers, subjected to centrifugal force, are slightly twisted and emerge in the form of yarn wound into the shape of a hollow cylinder.
- cerebral cortex — the outermost layer of the cerebrum that is the locus of higher brain processes
- ceteris paribus — other things being equal
- cetti's warbler — a reddish-brown Eurasian warbler, Cettia cetti, with a distinctive song
- chamber concert — a concert of chamber music
- characterizable — Able to be characterized.
- child battering — child abuse in the form of battering