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16-letter words containing h, i, d, r

  • cape cod lighter — a device for lighting a fire, as in a fireplace, consisting of a lump of nonflammable material on a metal rod, that is soaked in kerosene or the like and lighted with a match.
  • cardiotachometer — a device for counting heartbeats, usually displaying the number of beats per minute
  • cash on delivery — If you pay for goods cash on delivery, you pay for them in cash when they are delivered. The abbreviation C.O.D. is also used.
  • 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
  • catherine howard — Catherine, c1520–42, fifth wife of Henry VIII.
  • cepheid variable — any of a class of variable stars with regular cycles of variations in luminosity (most ranging from three to fifty days). There is a relationship between the periods of variation and the absolute magnitudes, which is used for measuring the distance of such stars
  • channel islander — a person who comes from one of the Channel Islands
  • 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).
  • chevaux-de-frise — plural of cheval-de-frise.
  • 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
  • childcare worker — someone who takes care of children in return for money
  • children's panel — (in Scotland) a group of representatives of relevant agencies, with the power to deal with a child under sixteen who is in criminal or family trouble. Its hearings are private and replace most of the functions of juvenile courts
  • chinese calendar — the former calendar of China, in which the year consisted of 12 lunar months with an intercalary month added seven times every 19 years to reconcile the lunar year of 354 days with the solar year of 365 days, time being reckoned in 60-year cycles with the first cycle dating from 2637 b.c.
  • chloracetic acid — chloroacetic acid.
  • chlordiazepoxide — a chemical compound used as a tranquillizer and muscle relaxant and in the treatment of delirium tremens. Formula: C16H14ClN3O
  • chloride of lime — a white powder with the approximate formula CaOCl2, obtained by treating slaked lime with chlorine and used for disinfecting and bleaching
  • chlorinated lime — bleaching powder.
  • chlorine dioxide — a compound used to bleach wood pulp
  • chlorogenic acid — a colorless crystalline acid, C 16 H 18 O 9 , that is important in plant metabolism and is purportedly responsible for the browning or blackening of cut apples, potatoes, and other fruits and vegetables.
  • chondrodysplasia — (medicine) A genetic disorder characterized by short-limbed dwarfism.
  • 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)
  • chromic chloride — a violet, crystalline compound, CrCl 3 , occurring in both water-soluble and water-insoluble forms, or a green or violet, water-soluble deliquescent compound, CrCl 3 ⋅6H 2 O: used chiefly as a mordant, in chrome-steel plating, and in the synthesis of chromium salts.
  • chromic fluoride — a green, crystalline, water-insoluble powder, CrF 3 ⋅4H 2 O or CrF 3 ⋅9H 2 O: used chiefly in printing and dyeing woolens.
  • chromium dioxide — a chemical compound used as a magnetic coating on cassette tapes; chromium(IV) oxide. Formula: CrO2
  • churidar pyjamas — long tight-fitting trousers, worn by Indian men and women
  • chytridiomycosis — An infectious disease of amphibians caused by the chytrid fungus.
  • 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.
  • circuit switched — circuit switching
  • clearsightedness — The property of being clearsighted.
  • combined honours — (in British education) a degree course that includes more than one subject
  • come from behind — sport: win from a disadvantaged position
  • considering that — You use considering that to indicate that you are thinking about a particular fact when making a judgment or giving an opinion.
  • copper hydroxide — a blue, water-insoluble, poisonous powder, Cu(OH) 2 , used in the manufacture of rayon, as a source for copper salts, and as a mordant.
  • corona discharge — an electrical discharge appearing on and around the surface of a charged conductor, caused by ionization of the surrounding gas
  • creditworthiness — having a satisfactory credit rating.
  • cupric hydroxide — a blue, water-insoluble, poisonous powder, Cu(OH) 2 , used in the manufacture of rayon, as a source for copper salts, and as a mordant.
  • dark-side hacker — (jargon, legal)   A criminal or malicious hacker; a cracker. From George Lucas's Darth Vader, "seduced by the dark side of the Force". The implication that hackers form a sort of elite of technological Jedi Knights is intended. Opposite: samurai.
  • darwin's finches — the finches of the subfamily Geospizinae of the Galapagos Islands, showing great variation in bill structure and feeding habits: provided Darwin with evidence to support his theory of evolution
  • darwinian theory — Darwin's theory of evolution, which holds that all species of plants and animals developed from earlier forms by hereditary transmission of slight variations in successive generations, and that natural selection determines which forms will survive
  • data warehousing — the use of large amounts of data taken from multiple sources to create reports and for data analysis
  • daylight robbery — If someone charges you a great deal of money for something and you think this is unfair or unreasonable, you can refer to this as daylight robbery.
  • dearborn heights — city in SE Mich.: suburb of Detroit: pop. 58,000
  • debating chamber — a room where a legislative assembly holds debates
  • dechristianizing — Present participle of dechristianize.
  • depart this life — to die
  • depth perception — ability to see objects in perspective
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