15-letter words containing a, b, u
- butter spreader — a small knife with a wide, flat blade, as for spreading butter on bread or rolls.
- butter-and-eggs — any of various plants, such as toadflax, the flowers of which are of two shades of yellow
- butterfly chair — a lightweight chair consisting of a piece of canvas, leather, etc. slung from a framework of metal bars
- butterfly table — a small occasional table, usually having a round or oval top, with drop leaves supported by swinging brackets pivoted to the stretchers and to the underside of the top.
- butterfly valve — a disc that acts as a valve by turning about a diameter, esp one used as the throttle valve in a carburettor
- button mangrove — a tropical tree, Conocarpus erectus, having small, reddish, conelike fruits and bark used in tanning.
- buttress thread — a screw thread having one flank that is vertical while the other is inclined, and a flat top and bottom: used in machine tools and designed to withstand heavy thrust in one direction
- 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
- buys-ballot law — the law stating that if one stands with one's back to the wind, in the Northern Hemisphere the atmospheric pressure will be lower on one's left and in the Southern Hemisphere it will be lower on one's right: descriptive of the relationship of horizontal winds to atmospheric pressure.
- by all accounts — according to everyone
- cabbage lettuce — any of several varieties of lettuce that have roundish flattened heads resembling cabbages
- 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 pudding — a steamed suet pudding containing dried fruit
- calabash nutmeg — a tropical African shrub, Monodora myristica, whose oily aromatic seeds can be used as nutmegs: family Annonaceae
- 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.
- calcium carbide — a grey salt of calcium used in the production of acetylene (by its reaction with water) and calcium cyanamide. Formula: CaC2
- camelback truss — a roof truss having upper and lower chords curving upward from a common point at each side.
- campaign button — a disk-shaped pin worn by a supporter of a political candidate, usually bearing the name of the candidate and often a slogan or the candidate's picture.
- cannot help but — to be unable to do anything else except
- 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
- cardinal number — A cardinal number is a number such as 1, 3, or 10 that tells you how many things there are in a group but not what order they are in. Compare ordinal number.
- 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.
- casual labourer — a person who is employed on a temporary, rather than a permanent or regular basis
- 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.
- cerebrovascular — of or relating to the blood vessels and the blood supply of the brain
- ceteris paribus — other things being equal
- chamber counsel — a counsel who advises in private and does not plead in court
- charcoal burner — (formerly) a person whose work was making charcoal by burning
- charcoal-burner — a device that burns charcoal, as a stove or brazier.
- charles coulomb — Charles Augustin de [sharl oh-gy-stan duh] /ʃarl oʊ güˈstɛ̃ də/ (Show IPA), 1736–1806, French physicist and inventor.
- child abduction — the crime of removing a child from its rightful home
- 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.
- circular buffer — (programming) An area of memory used to store a continuous stream of data by starting again at the beginning of the buffer after reaching the end. A circular buffer is usually written by one process and read by another. Separate read and write pointers are maintained. These are not allowed to pass each other otherwise either unread data would be overwritten or invalid data would be read. A circuit may implement a hardware circular buffer.
- circumambagious — in a round-about manner
- circumambiently — in a circumambient manner
- circumambulated — Simple past tense and past participle of circumambulate.
- circumambulates — Third-person singular simple present indicative form of circumambulate.
- circumnavigable — Able to be circumnavigated.
- claustrophobics — Plural form of claustrophobic.
- clumber spaniel — a type of thickset spaniel having a broad heavy head
- combat fatigues — the uniform worn by soldiers when fighting
- combat neurosis — battle fatigue.
- combat trousers — Combat trousers are large, loose trousers with lots of pockets.
- comma butterfly — an orange-brown European vanessid butterfly, Polygonia c-album, with a white comma-shaped mark on the underside of each hind wing
- communicability — capable of being easily communicated or transmitted: communicable information; a communicable disease.
- communion table — (in a Christian church) the table at which people take communion
- computer-phobia — a person who distrusts or is intimidated by computers.
- configurability — The property of being configurable.
- consubstantiate — (of the Eucharistic bread and wine and Christ's body and blood) to undergo consubstantiation