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16-letter words containing a, t, d

  • capital employed — the money used by a business for buying land, buildings, equipment etc
  • captive audience — a group of people who are unable by circumstances to avoid speeches, advertisements, etc
  • captive breeding — Captive breeding is the breeding of wild animals in places such as zoos, especially animals which have become rare in the wild.
  • carbon 14 dating — radiocarbon dating.
  • carbon-14 dating — radiocarbon dating.
  • 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.
  • 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.
  • castellated beam — a rolled metal beam the web of which is first divided by a lengthwise zigzag cut, then welded together so as to join the peaks of both halves, thus increasing its depth and strength.
  • casting director — the person in charge of choosing of actors for a production
  • catch a few zeds — to have a nap
  • 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.
  • cause and effect — You use cause and effect to talk about the way in which one thing is caused by another.
  • cause-and-effect — noting a relationship between actions or events such that one or more are the result of the other or others.
  • 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
  • chanson de geste — one of a genre of Old French epic poems celebrating heroic deeds, the most famous of which is the Chanson de Roland
  • 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
  • chipped potatoes — chips
  • chloracetic acid — chloroacetic acid.
  • chlorinated lime — bleaching powder.
  • chopped tomatoes — tomatoes cut into pieces
  • 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.
  • cisaconitic acid — a stereoisomer of 1-propene-1,2,3 tricarboxylic acid, C 6 H 6 O 6 , an important intermediate in the Krebs cycle.
  • city of aberdeen — a council area in NE Scotland, established in 1996. Pop: 206 600 (2003 est). Area: 186 sq km (72 sq miles)
  • cladogenetically — By means of cladogenesis.
  • 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.
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