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20-letter words containing a, n, e

  • carbohydrate loading — the practice of eating high amounts of carbohydrates, sometimes after a period of low carbohydrate intake, for several days immediately before competing in an athletic event, especially a marathon, in order to store glycogen in the body, thereby providing greater reserves of energy.
  • carbon sequestration — the prevention of greenhouse gas build-up in the earth's atmosphere by methods such as planting trees to absorb carbon dioxide or pumping carbon dioxide into underground reservoirs
  • carbon tetrachloride — a colourless volatile nonflammable sparingly soluble liquid made from chlorine and carbon disulphide; tetrachloromethane. It is used as a solvent, cleaning fluid, and insecticide. Formula: CCl4
  • card up one's sleeve — a plan or resource kept secret or held in reserve
  • care and maintenance — the state of a building, ship, machinery, etc, that is not in current use although it is kept in good condition to enable it to be quickly brought into service if there is demand for it
  • career limiting move — (jargon)   (CLM, Sun) Any action endangering one's future prospects of getting plum projects and raises, and possibly one's job. E.g. "His Halloween costume was a parody of his manager. He won the prize for "best CLM"." A severe bug discovered by a customer might be a "CLM bug".
  • carry all before one — to win unanimous support or approval for oneself
  • carry off one's feet — to fill with enthusiasm
  • cartesian coordinate — Usually, Cartesian coordinates. a member of a system of coordinates for locating a point on a plane (Cartesian plane) by its distance from each of two intersecting lines, or in space by its distance from each of three planes intersecting at a point.
  • case based reasoning — (artificial intelligence)   (CBR) A technique for problem solving which looks for previous examples which are similar to the current problem. This is useful where heuristic knowledge is not available. There are many situations where experts are not happy to be questioned about their knowledge by people who want to write the knowledge in rules, for use in expert systems. In most of these situations, the natural way for an expert to describe his or her knowledge is through examples, stories or cases (which are all basically the same thing). Such an expert will teach trainees about the expertise by apprenticeship, i.e. by giving examples and by asking the trainees to remember them, copy them and adapt them in solving new problems if they describe situations that are similar to the new problems. CBR aims to exploit such knowledge. Some key research areas are efficient indexing, how to define "similarity" between cases and how to use temporal information.
  • casing head pressure — The casing head pressure is the pressure on the casing, which is measured at the wellhead.
  • cassegrain telescope — an astronomical reflecting telescope in which incident light is reflected from a large concave paraboloid mirror onto a smaller convex hyperboloid mirror and then back through a hole in the concave mirror to form the image
  • cast the first stone — the hard substance, formed of mineral matter, of which rocks consist.
  • catastrophic illness — A catastrophic illness is a major health event that takes place during a particular period of time, such as a heart attack, stroke, or cancer.
  • catherine de medicis — (Caterina de' Medici) 1518–89, queen of Henry II of France (mother of Francis II, Charles IX, and Henry III).
  • catherine de' medici — 1519–89, queen of Henry II of France; mother of Francis II, Charles IX, and Henry III of France; regent of France (1560–74). She was largely responsible for the massacre of Protestants on Saint Bartholomew's Day (1572)
  • cavalleria rusticana — an opera (1890) by Pietro Mascagni.
  • cavendish experiment — the experiment, conducted by Henry Cavendish, that determined the constant of gravitation by using a torsion balance and measuring the torsion produced by two masses placed at given distances from the masses on the balance.
  • celestial navigation — navigation by observation of the positions of the stars
  • cellular respiration — the oxidation of organic compounds that occurs within cells, producing energy for cellular processes.
  • central bedfordshire — a unitary authority of S central England. Pop: 252 100 (2007 est). Area: 712 sq km (275 sq miles)
  • central india agency — a former group of 89 states in India, under the supervision of a British political agent until 1947: most important were Indore, Bhopal, and Rewa
  • centre three-quarter — either of two middle players on the three-quarter line
  • centrifugal spinning — the spinning of rayon filaments in a centrifugal box.
  • certified accountant — (in Britain) a member of the Chartered Association of Certified Accountants, who is authorized to audit company accounts
  • châlons-en-champagne — a town in NE France, on the River Marne: scene of Attila's defeat by the Romans (451 ad). Pop: 47 339 (1999)
  • change a reservation — If you change a reservation, you move a booking to a different date because someone who has booked a room has informed you that they wish to stay there on a different date.
  • change-speed gearbox — A change-speed gearbox is a set of movable or constant gears which allows the speed ratio between input and output shafts to be changed either manually or automatically.
  • channel service unit — (communications)   (CSU) A type of interface used to connect a terminal or computer to a digital medium in the same way that a modem is used for connection to an analogue medium. A CSU is provided by the communication carrier to customers who wish to use their own equipment to retime and regenerate the incoming signals. The customer must supply all of the transmit logic, receive logic and timing recovery in order to use the CSU, whereas a digital service unit DSU performs these functions.
  • chapter of accidents — a series of misfortunes
  • charismatic movement — any of various groups, within existing denominations, that emphasize communal prayer and the charismatic gifts of speaking in tongues, healing, etc
  • chartered accountant — (in Britain) an accountant who has passed the professional examinations of the Institute of Chartered Accountants in England and Wales, the Institute of Chartered Accountants of Scotland, or the Institute of Chartered Accountants in Ireland
  • chauffeur-driven car — a car driven by a chauffeur
  • chebyshev polynomial — a polynomial solution of the Tchebycheff equation, of the form T n (x) = cos(n cos −1 x), where n is an integer.
  • checkbook journalism — the practice of paying for a news story or an interview, or for exclusive broadcasting or publishing rights.
  • checkerboard pattern — checked pattern that looks like a draughtboard
  • chemical engineering — Chemical engineering is the designing and constructing of machines that are needed for industrial chemical processes.
  • chemical fingerprint — a distinctive characteristic or pattern indicating the presence of a certain molecule, used to identify a chemical.
  • chemical sensitivity — an allergic sensitivity to particular chemicals in air, food, clothing, water, etc.
  • chemically dependent — addicted to a drug or drugs
  • chevalier-montrachet — a white wine from Burgundy.
  • chikamatsu monzaemon — (born Sugimori Nobumori) 1653-1724; Jpn. dramatist: called the Shakespeare of Japan
  • child support agency — the British government agency concerned with the welfare of children
  • chinese scholar tree — a spreading, round-headed tree, Sophora japonica, of the legume family, native to China and Korea, having yellowish-white flowers in loose, showy clusters, grown widely as a street tree.
  • chip scale packaging — (hardware)   (CSP) A type of surface mount integrated circuit packaging that provides pre-speed-sorted, pre-tested and pre-packaged die without requiring special testing. An example is Motorola's Micro SMT packaging. See also: chip-on-board, flip chip, multichip module, known good die, ball grid array.
  • cholestyramine resin — a powdery synthetic resin that binds with and prevents the reabsorption of bile acids, used to reduce cholesterol levels, relieve itching associated with jaundice, etc.
  • chromatic aberration — a defect in a lens system in which different wavelengths of light are focused at different distances because they are refracted through different angles. It produces a blurred image with coloured fringes
  • chrono-logical order — the arrangement of things following one after another in time: Put these documents in chronological order.
  • clay-pigeon shooting — the activity of shooting clay pigeons
  • clean bill of health — a good report of one's physical condition
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