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17-letter words containing c, h, a, e, r, o

  • 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
  • go for the collar — to go without a hit in a game
  • 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.
  • haematocrystallin — Alternative form of hematocrystallin.
  • haemorrhoidectomy — surgical removal of haemorrhoids
  • 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.
  • hard rock geology — (loosely) of or relating to igneous or metamorphic rocks, as in mining (hard-rock mining) and geology (hard-rock geology)
  • harmonic interval — an intervening period of time: an interval of 50 years.
  • hasbrouck heights — a borough in NE New Jersey.
  • 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.
  • 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.
  • hemoconcentration — an increase in the concentration of cellular elements in the blood, resulting from loss of plasma.
  • hemorrhagic fever — any of several arbovirus infections, as dengue, characterized by fever, chills, and malaise followed by hemorrhages of capillaries, sometimes leading to kidney failure and death.
  • henry cabot lodgeHenry Cabot, 1850–1924, U.S. public servant and author: senator 1893–1924.
  • herbaceous border — A herbaceous border is a flower bed containing a mixture of plants that flower every year.
  • 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.
  • homeland security — national defence
  • horatio kitchenerHoratio Herbert (1st Earl Kitchener of Khartoum and of Broome) 1850–1916, English field marshal and statesman.
  • horseradish sauce — a piquant sauce made from horseradish root, vinegar, etc, and traditionally eaten in Britain with roast beef
  • household cavalry — (in Britain) cavalry units forming part of the ceremonial guard of the monarch.
  • housekeeping cart — A housekeeping cart is a large metal basket on wheels which is used by a cleaner in a hotel to move clean bed linen, towels, and cleaning equipment.
  • hybrid fiber coax — (networking)   (HFC) A kind of physical connection used in networks for audio, video, and data. DVB (Digital Video Broadcast) is used in Europe and DOCSIS is used in N America.
  • hydroelectrically — Using hydroelectric power.
  • hydrotherapeutics — hydrotherapy.
  • 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.
  • hypocholesteremia — an abnormally low amount of cholesterol in the blood.
  • icosidodecahedron — A semiregular polyhedron with twelve faces that are regular pentagons and twenty that are equilateral triangles.
  • icositetrahedrons — Plural form of icositetrahedron.
  • ignoratio elenchi — the fallacy of offering proof irrelevant to the proposition in question.
  • immunotherapeutic — (immunology, medicine) Of a pharmaceutical, acting on the immune system to treat disease; used in immunotherapy.
  • in the background — behind the focus of attention
  • integrated school — (in New Zealand) a private or church school that has joined the state school system
  • intertrochanteric — (anatomy) Between the two trochanters of the femur.
  • iontophoretically — By means of iontophoresis.
  • john of lancasterDuke of Bedford, 1389–1435, Bedford, John of Lancaster, Duke of.
  • junior technician — a rank in the RAF senior to aircraftman: comparable to that of private in the army
  • lexicographically — the writing, editing, or compiling of dictionaries.
  • lithium carbonate — a colorless crystalline compound, Li 2 CO 3 , slightly soluble in water: used in ceramic and porcelain glazes, pharmaceuticals, and luminescent paints.
  • lower paleolithic — See under Paleolithic.
  • machado y morales — Gerardo [he-rahr-th aw] /hɛˈrɑr ðɔ/ (Show IPA), 1871–1939, president of Cuba 1925–33.
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