15-letter words containing r, a, b, i, t
- boston marriage — (especially in 19th-century New England) an intimate friendship between two women often maintaining a household together.
- 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.
- bragging rights — notional privileges that are gained by defeating a close rival
- braille printer — (printer) (Or "(Braille) embosser") A printer, necessarily an impact printer, that renders text as Braille. Blind users call other printers ink printers.
- 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.
- brand extension — the practice of using a well-known brand name to promote new products or services in unrelated fields
- 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.
- breakeven point — a point at which the total revenue and total cost are equal
- breaking strain — the amount of strain that, if applied to a particular material, will cause it to break
- 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.
- brights-disease — a disease characterized by albuminuria and heightened blood pressure.
- brillat-savarin — Anthelme (ɑ̃tɛlm). 1755–1826, French lawyer and gourmet; author of Physiologie du Goût (1825)
- bring to a head — to bring or be brought to a crisis
- bristol channel — an inlet of the Atlantic, between S Wales and SW England, merging into the Severn estuary. Length: about 137 km (85 miles)
- bristol fashion — clean and neat, with newly painted and scrubbed surfaces, brass polished, etc
- britannia metal — an alloy of low melting point consisting of tin with 5–10 per cent antimony, 1–3 per cent copper, and sometimes small quantities of zinc, lead, or bismuth: used for decorative purposes and for bearings
- british america — British North America.
- british library — the British national library, formed in 1973 from the British Museum library and other national collections: housed mainly in the British Museum until 1997 when a purpose-built library in St Pancras, London, was completed
- 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
- bronze diabetes — hemochromatosis.
- brother-in-arms — a fellow soldier or comrade in a shared struggle
- brown-tail moth — a white moth, Nygmia phaerrhoea, having a brown tuft at the end of the abdomen, the larvae of which feed on the foliage of various shade and fruit trees.
- brownian motion — the irregular motion of small particles suspended in a liquid or a gas, caused by the bombardment of the particles by molecules of the medium: first observed by Robert Brown in 1827.
- brushback pitch — a fast ball deliberately thrown at or too near a batter's head
- building trades — the trades and professions concerned with the creation and finishing of buildings, such as carpenters, plasterers, masons, electricians, etc.
- buried treasure — A surprising piece of code found in some program. While usually not wrong, it tends to vary from crufty to bletcherous, and has lain undiscovered only because it was functionally correct, however horrible it is. Used sarcastically, because what is found is anything *but* treasure. Buried treasure almost always needs to be dug up and removed. "I just found that the scheduler sorts its queue using bubble sort! Buried treasure!"
- burt l standish — Burt L. pseudonym of Gilbert Patten.
- 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.
- camelot library — (library)
- 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
- carbazotic acid — picric acid.
- carbon fixation — the process by which plants assimilate carbon from carbon dioxide in the atmosphere to form metabolically active compounds
- 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.
- 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.
- cattle breeding — the science or business of breeding and raising cattle
- 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.
- ceteris paribus — other things being equal
- cetti's warbler — a reddish-brown Eurasian warbler, Cettia cetti, with a distinctive song