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16-letter words containing a, d, r, t

  • cardinal virtues — the most important moral qualities, traditionally justice, prudence, temperance, and fortitude
  • cardiotachometer — a device for counting heartbeats, usually displaying the number of beats per minute
  • carrot and stick — If an organization has a carrot and stick approach or policy, they offer people things in order to persuade them to do something and punish them if they refuse to do it.
  • cartridge player — an audio or video system that reads cartridges of magnetic tape
  • cascade particle — the least massive member of the xi particle family.
  • casting director — the person in charge of choosing of actors for a production
  • catch red-handed — If someone is caught red-handed, they are caught while they are in the act of doing something wrong.
  • catchwater drain — a channel cut along the edge of high ground to catch surface water from it and divert it away from low-lying ground
  • cathedral church — the principal church in a diocese
  • catherine howard — Catherine, c1520–42, fifth wife of Henry VIII.
  • 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.
  • cedar revolution — the popular protests in 2005 that brought down the Lebanese cabinet and prompted Syria to withdraw its troops from Lebanon
  • central cylinder — stele (def 4).
  • central tendency — the tendency of the values of a random variable to cluster around the mean, median, and mode
  • centrally heated — A centrally heated building or room has central heating.
  • chamber of trade — a national organization representing local chambers of commerce
  • character comedy — comedy, or a comedy, in which the main source of humour is in the character of the people represented in it
  • charged particle — an atomic particle with a positive or negative charge, as an electron, proton, or helium ion
  • charmed particle — See at charmed (def 2).
  • chase the dragon — to smoke opium or heroin
  • chest of drawers — A chest of drawers is a low, flat piece of furniture with drawers in which you keep clothes and other things.
  • 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.
  • child psychiatry — the branch of psychiatry specializing in the treatment of children.
  • childcare center — a place or business offering childcare for working parents
  • chloracetic acid — chloroacetic acid.
  • chlorinated lime — bleaching powder.
  • christmas dinner — the main meal on Christmas day, eaten any time in the afternoon or evening
  • christmas island — an island in the Indian Ocean, south of Java: administered by Singapore (1900–58), now by Australia; phosphate mining. Pop: 1496 (2013 est). Area: 135 sq km (52 sq miles)
  • cigarette holder — A cigarette holder is a narrow tube that you can put a cigarette into in order to hold it while you smoke it.
  • circumstantiated — Simple past tense and past participle of circumstantiate.
  • city of aberdeen — a council area in NE Scotland, established in 1996. Pop: 206 600 (2003 est). Area: 186 sq km (72 sq miles)
  • clarified butter — butter with the water and milk solids removed, used for cooking at high temperatures without burning
  • cleaning product — a detergent or other household cleaner
  • clearsightedness — The property of being clearsighted.
  • clermont-ferrand — a city in S central France: capital of Puy-de-Dôme department; industrial centre. Pop: 140 957 (2011)
  • cloak-and-suiter — a manufacturer or seller of clothing.
  • cloistered vault — a vault having the form of a number of intersecting coves.
  • cluster headache — a type of recurrent headache characterized by sudden onset and intense pain on one side of the face near the eye
  • co-determination — a system of industrial management in which workers share responsibility for the operation of a company, as through elected representation on a corporate supervisory board
  • coadministration — Joint administration.
  • code of practice — A code of practice is a set of written rules which explains how people working in a particular profession should behave.
  • coleridge-taylor — Samuel. 1875–1912, British composer, best known for his trilogy of oratorios Song of Hiawatha (1898–1900)
  • college graduate — a student who has recently graduated from college
  • colorado plateau — a plateau in the SW United States, in N Arizona, NW New Mexico, S Utah, and SW Colorado: location of the Grand Canyon.
  • combination door — an outside door having a frame into which different types of panels can be inserted, as a screen for summer or storm sash for winter.
  • combination drug — a medication comprised of set dosages of two or more separate drugs.
  • commodity dollar — the unit of a proposed system of currency, that would have a fluctuating gold value determined at regular intervals on the basis of an official index of the prices of key commodities
  • common partridge — a small Old World gallinaceous game bird, Perdix perdix
  • community leader — a leading figure in a community
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