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17-letter words containing l, a, c, h, e

  • french somaliland — a former name of Djibouti (def 1).
  • functional change — a change in the grammatical function of a word, as in the use of the noun input as a verb or the noun fun as an adjective.
  • general discharge — a discharge from military service of a person who has served honorably but who has not met all the conditions of an honorable discharge.
  • genetic algorithm — (GA) An evolutionary algorithm which generates each individual from some encoded form known as a "chromosome" or "genome". Chromosomes are combined or mutated to breed new individuals. "Crossover", the kind of recombination of chromosomes found in sexual reproduction in nature, is often also used in GAs. Here, an offspring's chromosome is created by joining segments choosen alternately from each of two parents' chromosomes which are of fixed length. GAs are useful for multidimensional optimisation problems in which the chromosome can encode the values for the different variables being optimised.
  • geographical mile — nautical mile.
  • gestatorial chair — a ceremonial chair on which the pope is carried
  • glymphatic system — Anatomy. the system or process by which cerebrospinal fluid moves through channels formed by glia, cleansing the mammalian brain of harmful waste.
  • go for the collar — to go without a hit in a game
  • go like hot cakes — to be sold very quickly or in large quantities
  • good-time charlie — an affable, sociable, pleasure-loving man.
  • grandfather clock — a pendulum floor clock having a case as tall as or taller than a person; tall-case clock; long-case clock.
  • grandmother clock — a pendulum clock similar to a grandfather's clock but shorter.
  • graphic equalizer — an equalizer in an audio system that is controlled by sliders that show graphically and correct the frequency response within the preset frequency range.
  • greenwich village — a section of New York City, in lower Manhattan: inhabited and frequented by artists, writers, and students.
  • haematocrystallin — Alternative form of hematocrystallin.
  • hairline fracture — a very fine crack in a bone
  • half-round chisel — a cold chisel with a semicircular cutting edge used for making narrow channels
  • hall of residence — Halls of residence are buildings with rooms or flats, usually built by universities or colleges, in which students live during the term.
  • hamiltonian cycle — Hamiltonian problem
  • hammer and sickle — the emblem of the Soviet Union, adopted in 1923 and consisting of an insignia of a hammer with its handle across the blade of a sickle and a star above.
  • hammered dulcimer — dulcimer (sense 1)
  • hard rock geology — (loosely) of or relating to igneous or metamorphic rocks, as in mining (hard-rock mining) and geology (hard-rock geology)
  • hard-shelled clam — quahog
  • hard-shelled crab — a crab, esp. an edible sea crab, before it has shed its hard shell
  • harmonic interval — an intervening period of time: an interval of 50 years.
  • health care proxy — a legal document in which a person can appoint someone to make decisions about medical treatment in the event that he or she is no longer mentally competent or able to communicate.
  • heimlich maneuver — an emergency rescue procedure for application to someone choking on a foreign object, in which the rescuer places a fist between the victim's lower ribs or upper abdomen from behind and exerts sudden pressure in the form of thrusts of sufficient force to help eject the object from the windpipe.
  • helicopter parent — a style of child rearing in which an overprotective mother or father discourages a child's independence by being too involved in the child's life: In typical helicopter parenting, a mother or father swoops in at any sign of challenge or discomfort.
  • henry cabot lodge — Henry Cabot, 1850–1924, U.S. public servant and author: senator 1893–1924.
  • heterochlamydeous — (of a plant) having a perianth consisting of distinct sepals and petals
  • high-carbon steel — steel containing between 0.5 and 1.5 per cent carbon
  • histamine blocker — any of various substances that act at a specific receptor site to block certain actions of histamine.
  • historical method — the process of establishing general facts and principles through attention to chronology and to the evolution or historical course of what is being studied.
  • hold all the aces — If you say that someone holds all the aces, you mean that they have all the advantages in a contest or situation.
  • hollandaise sauce — a sauce of egg yolks, butter, lemon juice, and seasonings.
  • homeland security — national defence
  • household cavalry — (in Britain) cavalry units forming part of the ceremonial guard of the monarch.
  • hubble's constant — the ratio of the recessional velocity of galaxies to their distance from the sun, with current measurements of its value ranging from 50 to 100 km/sec per megaparsec.
  • hyaline cartilage — the typical, translucent form of cartilage, containing little fibrous tissue.
  • hydroelectrically — Using hydroelectric power.
  • hyperbolic secant — a hyperbolic function that is the reciprocal of cosh; sech
  • hyperbolic spiral — rθ = a, (where a is a constant)
  • hyperchlorination — Chemistry. to combine or treat with chlorine. to introduce chlorine atoms into an organic compound by an addition or substitution reaction.
  • hyperexcitability — an excessive reaction to stimuli.
  • hyperintellectual — appealing to or engaging the intellect: intellectual pursuits.
  • hypocholesteremia — an abnormally low amount of cholesterol in the blood.
  • ignoratio elenchi — the fallacy of offering proof irrelevant to the proposition in question.
  • indecipherability — Quality of being indecipherable.
  • independence hall — the building in Philadelphia where the Declaration of Independence was signed.
  • integrated school — (in New Zealand) a private or church school that has joined the state school system
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