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18-letter words containing o, h

  • catch one's breath — When you catch your breath while you are doing something energetic, you stop for a short time so that you can start breathing normally again.
  • catherine of siena — Saint. 1347–80, Italian mystic and ascetic; patron saint of the Dominican order. Feast day: April 29
  • cathode dark space — Crookes dark space.
  • cauliflower cheese — a dish of cauliflower with a cheese sauce, eaten hot
  • cellular telephone — a mobile phone
  • centralized school — a public school formed from the pupils and teachers of a number of discontinued smaller schools, especially in a rural district.
  • chagos archipelago — group of islands in the Indian Ocean 1,180 mi (1,899 km) northeast of Mauritius, comprising the British Indian Ocean Territory: chief island, Diego Garcia
  • chamber of horrors — a room, for example in a waxworks, containing objects, images or representations of people or scenes that are believed likely to frighten or horrify visitors
  • championship point — a point that would decide the winner of a match that would decide the championship
  • change one's spots — to reform one's character
  • character disorder — a disorder characterized by socially undesirable behavior, as poor control of impulses or inability to maintain close emotional relationships, and by absence of anxiety or guilt.
  • 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
  • chew someone's ear — to reprimand severely
  • child psychologist — a psychologist who specializes in treating children
  • children of israel — the Jews; Hebrews
  • chinese gooseberry — kiwi (sense 2)
  • 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.
  • chlorofluorocarbon — Chlorofluorocarbons are the same as CFCs.
  • chlorohydroquinone — a white to light-tan, crystalline, water-soluble solid, C 6 H 3 Cl(OH) 2 , used chiefly in organic synthesis and as a developer in photography.
  • chocolate-coloured — dark brown
  • cholangiocarcinoma — (pathology) Cancer of the bile duct.
  • 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.
  • christmas shopping — shopping especially for Christmas presents, but also for Christmas food and drink, and all the other things required over the Christmas period.
  • christmas stocking — A Christmas stocking is a long sock which children hang up on Christmas Eve. During the night, parents fill the stocking with small presents.
  • christopher sholes — Christopher Latham [ley-thuh m,, -th uh m] /ˈleɪ θəm,, -ðəm/ (Show IPA), 1819–90, U.S. inventor of the typewriter.
  • chromatic printing — printing from blocks or types inked with various colours
  • chromatic semitone — the pitch difference between one note and its sharpened or flattened equivalent
  • chromolithographer — One engaged in chromolithography.
  • chromolithographic — Pertaining to, or made by, chromolithography.
  • chronic alcoholism — long-term alcohol addiction
  • chronic bronchitis — persistent respiratory disease
  • chronostratigraphy — The branch of geology concerned with establishing the absolute ages of strata.
  • chuck-will's-widow — a large North American nightjar, Caprimulgus carolinensis, similar to the whippoorwill
  • church of scotland — the established church in Scotland, Calvinist in doctrine and Presbyterian in constitution
  • circular dichroism — selective absorption of one of the two possible circular polarizations of light.
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