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18-letter words containing h, e

  • carbonic anhydrase — an enzyme in blood cells that catalyses the decomposition of carbonic acid into carbon dioxide and water, facilitating the transport of carbon dioxide from the tissues to the lungs
  • carbonic-anhydride — carbon dioxide.
  • carboxyhaemoglobin — haemoglobin coordinated with carbon monoxide, formed as a result of carbon monoxide poisoning. As carbon monoxide is bound in preference to oxygen, tissues are deprived of oxygen
  • carolina chickadee — a chickadee, Parus carolinensis, of the southeastern U.S., resembling but smaller than the black-capped chickadee.
  • carpenterworm moth — any moth of the family Cossidae, as Prionoxystus robiniae of the U.S. and southern Canada, whose larvae bore into the trunks and branches of oaks, locusts, and other trees.
  • carthaginian peace — the treaty by which Rome reduced Carthage to the status of a puppet state in 201 b.c.
  • cash-for-questions — of, involved in, or relating to a scandal in which some MPs were accused of accepting bribes to ask particular questions in Parliament
  • cassiopeia's chair — the five brightest stars in the constellation Cassiopeia that seem to form the shape of a W or M
  • catastrophe theory — a mathematical theory that classifies surfaces according to their form
  • 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.
  • catcher in the rye — a novel (1951) by J. D. Salinger.
  • caterpillar hunter — any of various carabid beetles of the genus Calosoma, of Europe and North America, which prey on the larvae of moths and butterflies
  • 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.
  • centrifugal clutch — an automatic clutch in which the friction surfaces are engaged by weighted levers acting under centrifugal force at a certain speed of rotation
  • cepheid (variable) — any of a class of pulsating, yellow, supergiant stars whose brightness varies in regular periods: from the period-luminosity relation, the distance of such a star can be determined
  • 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
  • chambered nautilus — nautilus (def 1).
  • chandelier earring — one of a pair of long and ornate earrings that dangle from the earlobes, usually dropping from more than one level.
  • change one's spots — to reform one's character
  • change the subject — to select a new topic of conversation
  • changement de pied — a jump in which the dancer's feet are reversed from the starting position.
  • 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.
  • character graphics — ASCII art
  • character-building — improving certain good or useful traits in a person's character, esp self-reliance, endurance, and courage
  • characteristically — Also, characteristical. pertaining to, constituting, or indicating the character or peculiar quality of a person or thing; typical; distinctive: Red and gold are the characteristic colors of autumn.
  • 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 engineer — (in Britain) an engineer who is registered with the Engineering Council as having the scientific and technical knowledge and practical experience to satisfy its professional requirements
  • 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
  • chattering classes — The chattering classes are people such as journalists, broadcasters, or public figures who comment on events but have little or no influence over them.
  • 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 machining — the shaping of a metal part by controlled removal of unwanted metal by a flow of chemical solutions
  • 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
  • chemical pregnancy — a pregnancy that is confirmed by a pregnancy test but not by clinical signs and terminates before clinical signs can be observed.
  • cheval de bataille — a horse used in battle; charger.
  • chew someone's ear — to reprimand severely
  • chicken tetrazzini — diced chicken in a cream sauce, baked in a casserole with noodles and cheese, usually flavored with sherry.
  • chickenheartedness — Alternative form of chicken-heartedness.
  • children of israel — the Jews; Hebrews
  • children's crusade — a crusade to recover Jerusalem from the Saracens, undertaken in 1212 by thousands of French and German children who perished, were sold into slavery, or were turned back.
  • chinese fire drill — a state of chaotic, often clamorous disorder.
  • chinese gooseberry — kiwi (sense 2)
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