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16-letter words containing t, e, r, a, b, o

  • best-before date — a date on packaged food indicating how long it is safe to keep it
  • beta abstraction — [lambda-calculus] The conversion of an expression to an application of a lambda abstraction to an argument expression. Some subterm of the original expression becomes the argument of the abstraction and the rest becomes its body. E.g. 4+1 --> (\ x . x+1) 4 The opposite of beta abstraction is beta reduction. These are the two kinds of beta conversion.
  • bidirectionality — capable of reacting or functioning in two, usually opposite, directions.
  • billy goat beard — a man's beard that is long under the chin and shaved elsewhere
  • binary operation — a mathematical operation in which two elements are combined to yield a single result: Addition and multiplication are binary operations on the set of real numbers.
  • binomial theorem — a mathematical theorem that gives the expansion of any binomial raised to a positive integral power, n. It contains n + 1 terms: (x + a)n = xn + nxn–1a + [n(n–1)/2] xn–2a2 +…+ (nk) xn–kak + … + an, where (nk) = n!/(n–k)!k!, the number of combinations of k items selected from n
  • biodegradability — capable of decaying through the action of living organisms: biodegradable paper; biodegradable detergent.
  • biodeterioration — biodegradation.
  • bioenvironmental — pertaining to the environment of living organisms: Bioenvironmental engineers seek to reduce air and water pollution.
  • bitterroot range — range of the Rocky Mountains, along the Ida.-Mont. border: highest peak, c. 11,000 ft (3,353 m)
  • board and batten — a siding consisting of wide boards or of sheets of plywood set vertically with butt joints covered by battens.
  • bomb calorimeter — a device for determining heats of combustion by igniting a sample in a high pressure of oxygen in a sealed vessel and measuring the resulting rise in temperature: used for measuring the calorific value of foods
  • boolean-operator — any operation in which each of the operands and the result take one of two values.
  • bootstrap loader — (operating system)   A short program loaded from non-volatile storage and used to bootstrap a computer. On early computers great efforts were expended on making the bootstrap loader short, in order to make it easy to toggle in via the front panel switches. It was just clever enough to read in a slightly more complex program (usually from punched cards or paper tape), to which it handed control. This program in turn read the application or operating system from a magnetic tape drive or disk drive. Thus, in successive steps, the computer "pulled itself up by its bootstraps" to a useful operating state. Nowadays the bootstrap loader is usually found in ROM or EPROM, and reads the first stage in from a fixed location on the disk, called the "boot block". When this program gains control, it is powerful enough to load the actual OS and hand control over to it. A diskless workstation can use bootp to load its OS from the network.
  • bootstrap memory — memory that allows new programs to be entered because some simple preliminary instructions or information are already built in.
  • bordeaux mixture — a fungicide consisting of a solution of equal quantities of copper sulphate and quicklime
  • boston cream pie — a cake of two layers with icing and a creamy filling
  • boston tea party — a raid in 1773 made by citizens of Boston (disguised as Indians) on three British ships in the harbour as a protest against taxes on tea and the monopoly given to the East India Company. The contents of several hundred chests of tea were dumped into the harbour
  • botanical garden — a place where collections of plants and trees are kept for scientific study and exhibition
  • boundary dispute — dispute between neighbours about the boundary between their properties
  • bouquet larkspur — a plant, Delphinium grandiflorum, of eastern Asia, having blue or whitish flowers and hairy fruit.
  • bracknell forest — a unitary authority in SE England, in E Berkshire. Pop: 110 100 (2003 est). Area: 109 sq km (42 sq miles)
  • branchiopneustic — breathing by means of gills, as certain aquatic insect larvae.
  • break one's fast — to eat food for the first time after fasting, or for the first time in the day
  • break the record — surpass previous highest, best
  • break-even point — When a company reaches break-even point, the money it makes from the sale of goods or services is just enough to cover the cost of supplying those goods or services, but not enough to make a profit.
  • bring to bear on — to cause to have an effect on
  • broadloom carpet — any carpet woven on a wide loom and not having seams, especially one wider than 54 inches (137 cm).
  • brother jonathan — the United States or its people: predecessor of Uncle Sam
  • bundled software — software sold as part of a package with computers or other hardware or software
  • butterfly ballot — a ballot paper in the form of two leaves extending from a central spine
  • button snakeroot — blazing star (sense 1)
  • bypass operation — an operation involving redirection of blood flow, either to avoid a diseased blood vessel or in order to perform heart surgery
  • cabbage root fly — a dipterous fly, Erioischia brassicae, whose larvae feed on the roots and stems of cabbages and other brassicas: family Muscidae (houseflies, etc)
  • camborne-redruth — a former (until 1974) urban district in SW England, in Cornwall: formed in 1934 by the amalgamation of the neighbouring towns of Camborne and Redruth. Pop: 39 936 (2001)
  • carboxylesterase — (enzyme) Any enzyme that catalyses the hydrolysis of a carboxylic ester.
  • carboxypeptidase — any of several digestive enzymes that catalyze the removal of an amino acid from the end of a peptide chain having a free carbonyl group.
  • cathode ray tube — (hardware)   (CRT) An electrical device for displaying images by exciting phosphor dots with a scanned electron beam. CRTs are found in computer VDUs and monitors, televisions and oscilloscopes. The first commercially practical CRT was perfected on 29 January 1901 by Allen B DuMont. A large glass envelope containing a negative electrode (the cathode) emits electrons (formerly called "cathode rays") when heated, as in a vacuum tube. The electrons are accelerated across a large voltage gradient toward the flat surface of the tube (the screen) which is covered with phosphor. When an electron strikes the phosphor, light is emitted. The electron beam is deflected by electromagnetic coils around the outside of the tube so that it scans across the screen, usually in horizontal stripes. This scan pattern is known as a raster. By controlling the current in the beam, the brightness at any particular point (roughly a "pixel") can be varied. Different phosphors have different "persistence" - the length of time for which they glow after being struck by electrons. If the scanning is done fast enough, the eye sees a steady image, due to both the persistence of the phospor and of the eye itself. CRTs also differ in their dot pitch, which determines their spatial resolution, and in whether they use interlace or not.
  • cathode-ray tube — A cathode-ray tube is a device in televisions and computer terminals which sends an image onto the screen.
  • chamber of trade — a national organization representing local chambers of commerce
  • chernobyl packet — (networking)   /cher-noh'b*l pak'*t/ A network packet that induces a broadcast storm and/or network meltdown, named in memory of the April 1986 nuclear accident at Chernobyl in Ukraine. The typical scenario involves an IP Ethernet datagram that passes through a gateway with both source and destination Ethernet address and IP address set as the respective broadcast addresses for the subnetworks being gated between. Compare Christmas tree packet.
  • chiclet keyboard — (hardware, abuse)   A keyboard with a small, flat rectangular or lozenge-shaped rubber or plastic keys that look like pieces of Chiclets chewing gum. Used especially to describe the original IBM PCjr keyboard. Vendors unanimously liked these because they were cheap, and a lot of early portable and laptop computers were launched with them. Customers rejected the idea with almost equal unanimity, and chiclets are not often seen on anything larger than a digital watch any more.
  • chromatic number — (mathematics)   The smallest number of colours necessary to colour the nodes of a graph so that no two adjacent nodes have the same colour. See also: four colour map theorem.
  • city of aberdeen — a council area in NE Scotland, established in 1996. Pop: 206 600 (2003 est). Area: 186 sq km (72 sq miles)
  • commensurability — The quality of being commensurable or commensurate.
  • comparable worth — the doctrine that a woman's and man's pay should be equal when their work requires equal training, skills, and responsibilities.
  • concertina table — an extensible table having a hinged double top falling onto a hinged frame that unfolds like an accordion when pulled out.
  • conference table — a large table, often rectangular, around which a number of people may be seated, as when holding a conference
  • congeliturbation — the churning, heaving, and thrusting of soil material due to the action of frost.
  • constant lambert — Constant [kon-stuh nt] /ˈkɒn stənt/ (Show IPA), 1905–51, English composer and conductor.
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