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18-letter words containing e, c, t, o, h

  • character encoding — (character)   (Or "character encoding scheme") A mapping between binary data values and character code positions (or "code points"). Early systems stored characters in a variety of ways, e.g. four six-bit characters in a 24-bit word, but around 1960, eight-bit bytes started to become the most common data storage layout, with each character stored in one byte, typically in the ASCII character set. In the case of ASCII, the character encoding is an identity mapping: code position 65 maps to the byte value 65. This is possible because ASCII uses only code positions representable as single bytes, i.e., values between 0 and 255. (US-ASCII only uses values 0 to 127, in fact.) From the late 1990s, there was increased use of larger character sets such as Unicode and many CJK coded character sets. These can represent characters from many languages and more symbols.
  • charge conjugation — the mathematical operation of replacing every elementary particle by its antiparticle. Symbol: C.
  • charge of quarters — a member of the armed forces who handles administration in his or her unit, esp after duty hours
  • chartered surveyor — (in Britain) a surveyor who is registered with the Royal Institution of Chartered Surveyors as having the qualifications, training, and experience to satisfy their professional requirements
  • chebyshev equation — Tchebycheff equation.
  • check verification — Check verification is a system that checks national databases of information about individuals to make sure that checks will be honored and fraud is not being committed.
  • checkpoint charlie — a crossing between East and West Berlin during the Cold War
  • chemical potential — a thermodynamic function of a substance in a system that is the partial differential of the Gibbs function of the system with respect to the number of moles of the substance
  • chinese revolution — the overthrow of the last Manchu emperor and the establishment of a republic in China (1911–12)
  • chinese watermelon — a tropical Asian vine, Benincasa hispida, of the gourd family, having a brown, hairy stem, large, solitary, yellow flowers, and white, melonlike fruit.
  • chloroacetophenone — a white, crystalline, water-insoluble, poisonous solid, C 8 H 7 ClO, used in solution as a tear gas. Abbreviation: CN.
  • chlorobromomethane — a clear, colorless, volatile, nonflammable liquid, CH 2 ClBr, used chiefly as an extinguishing agent in fire extinguishers and as a solvent in organic synthesis.
  • chocolate-coloured — dark brown
  • chord of the sixth — sixth chord.
  • chrétien de troyes — 12th century, French poet, who wrote the five Arthurian romances Erec; Cligès; Lancelot, le chevalier de la charette; Yvain, le chevalier au lion; and Perceval, le conte del Graal (?1155–?1190), the first courtly romances
  • christian brothers — a religious congregation of laymen founded in France in 1684 for the education of the poor
  • christian democrat — a member or supporter of a Christian Democratic party
  • christian endeavor — an organization of young people of various evangelical Protestant churches, formed in 1881 to promote Christian principles and service.
  • christian reformed — of or relating to a Protestant denomination (Christian Reformed Church) organized in the U.S. in 1857 by groups that had seceded from the Dutch Reformed Church.
  • christopher sholes — Christopher Latham [ley-thuh m,, -th uh m] /ˈleɪ θəm,, -ðəm/ (Show IPA), 1819–90, U.S. inventor of the typewriter.
  • chromatic semitone — the pitch difference between one note and its sharpened or flattened equivalent
  • chromolithographer — One engaged in chromolithography.
  • clothing allowance — an amount of money to compensate for the purchase of clothes for work, school, etc
  • coast rhododendron — a rhododendron, Rhododendron macrophyllum, of western North America, having large clusters of rose-purple flowers spotted with brown: the state flower of Washington.
  • cognitive ethology — a branch of ethology concerned with the influence of conscious awareness and intention on the behaviour of an animal
  • collection charges — the charges levied to cover expenses for the collection of debt
  • combustion chamber — an enclosed space in which combustion takes place, such as the space above the piston in the cylinder head of an internal-combustion engine or the chambers in a gas turbine or rocket engine in which fuel and oxidant burn
  • come back to earth — to return to reality from a fantasy or daydream
  • come down the pike — When something comes down the pike, it happens or occurs.
  • come home to roost — If bad or wrong things that someone has done in the past have come home to roost, or if their chickens have come home to roost, they are now experiencing the unpleasant effects of these actions.
  • come into the open — to become evident or public
  • come the raw prawn — to attempt deception
  • come to grips with — If you come to grips with a problem, you consider it seriously, and start taking action to deal with it.
  • come to light with — to find or produce
  • come to terms with — If you come to terms with something difficult or unpleasant, you learn to accept and deal with it.
  • commercial attache — an attaché in an embassy or legation representing the commercial interests of his or her country.
  • commodity exchange — an exchange where commodities are traded
  • commonwealth games — an event held every four years in which sportspeople from the countries of the Commonwealth compete
  • comparative method — a body of procedures and criteria used by linguists to determine whether and how two or more languages are related and to reconstruct forms of their hypothetical parent language.
  • computer telephony — Computer Telephone Integration
  • congregate housing — a type of housing in which each individual or family has a private bedroom or living quarters but shares with other residents a common dining room, recreational room, or other facilities.
  • connected subgraph — (mathematics)   A connected graph consisting of a subset of the nodes and edges of some other graph.
  • continental shield — any of the large, low-lying areas in the Earth's crust that are composed of Precambrian crystalline rocks
  • continuation sheet — (in a document) a page that continues from the one before it, containing similar information
  • controllable-pitch — (of a marine or aircraft propeller) having blades whose pitch can be changed during navigation or flight; variable-pitch.
  • conversation chair — an English chair of the 18th century designed to be straddled facing the back of the chair with the elbows resting on the crest rail: an English imitation of the voyeuse.
  • copper naphthenate — a green salt, soluble in benzene, used as an insecticide and a wood preservative, but harmless to plants.
  • cordless telephone — a portable battery-powered telephone with a short-range radio link to a fixed base unit
  • cornucopian thesis — the belief that, as long as science and technology continue to advance, growth can continue for ever because these new advances create new resources
  • coronation chicken — a dish of cold cooked chicken in a mild creamy curry sauce
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