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17-letter words containing c, l, a, t, h, r

  • 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.
  • 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.
  • historical school — a school of economists that arose in Germany in the 19th century in reaction to the principles of the classical economists, and that maintained that the factors making up an economy are variable and develop out of social institutions.
  • historiographical — the body of literature dealing with historical matters; histories collectively.
  • ho chi minh trail — a network of jungle paths winding from North Vietnam through Laos and Cambodia into South Vietnam, used as a military route by North Vietnam to supply the Vietcong during the Vietnam War.
  • homeland security — national defence
  • horticulturalists — Plural form of horticulturalist.
  • hyaline cartilage — the typical, translucent form of cartilage, containing little fibrous tissue.
  • hydraulic circuit — a circuit through which water or another liquid, instead of electric current, flows, but which otherwise operates in the same way as an electric circuit
  • hydroelectrically — Using hydroelectric power.
  • hyperbolic secant — a hyperbolic function that is the reciprocal of cosh; sech
  • 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.
  • industrial school — a school for teaching one or more branches of industry; trade or vocational school.
  • integrated school — (in New Zealand) a private or church school that has joined the state school system
  • iontophoretically — By means of iontophoresis.
  • john of lancaster — Duke of Bedford, 1389–1435, Bedford, John of Lancaster, Duke of.
  • laboratory school — a school maintained by a college or university for the training of student teachers.
  • law of trichotomy — the property that for natural numbers a and b , either a is less than b , a equals b , or a is greater than b .
  • 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.
  • manchester school — a school of economists in England in the first half of the 19th century, devoted to free trade and the repeal of the Corn Law, led by Richard Cobden and John Bright.
  • mechanoelectrical — Describing the production of electricity by mechanical motion; especially in a transducer.
  • memetic algorithm — (algorithm)   A genetic algorithm or evolutionary algorithm which includes a non-genetic local search to improve genotypes. The term comes from the Richard Dawkin's term "meme". One big difference between memes and genes is that memes are processed and possibly improved by the people that hold them - something that cannot happen to genes. It is this advantage that the memetic algorithm has over simple genetic or evolutionary algorithms. These algorithms are useful in solving complex problems, such as the "Travelling Salesman Problem," which involves finding the shortest path through a large number of nodes, or in creating artificial life to test evolutionary theories. Memetic algorithms are one kind of metaheuristic. (07 July 1997)
  • mental arithmetic — sums done in your head
  • mitochondrial dna — DNA found in mitochondria, which contains some structural genes and is generally inherited only through the female line
  • modulo arithmetic — modular arithmetic
  • monarch butterfly — a large, deep-orange butterfly, Danaus plexippus, having black and white markings, the larvae of which feed on the leaves of milkweed.
  • monochromatically — of or having one color.
  • nathaniel currier — Nathaniel, 1813–88, U.S. lithographer. Compare Ives (def 4).
  • natural harmonics — harmonics of a note produced on a stringed instrument by lightly touching an open or unstopped sounded string.
  • natural hat trick — three goals scored in succession by one player in one game or one period.
  • nephelometrically — By means of nephelometry.
  • neuropathological — (medicine) Of, pertaining to, or arising from neuropathology, the pathology of nerve tissue.
  • non-thermoplastic — soft and pliable when heated, as some plastics, without any change of the inherent properties.
  • nuclear chemistry — the branch of chemistry concerned with nuclear reactions
  • nuclear threshold — the point in war at which a combatant brings nuclear weapons into use
  • omphalomesenteric — (anatomy) Of or pertaining to the umbilicus and mesentery.
  • oystershell scale — a scale insect, Lepidosaphes ulmi, having a scale shaped like the shell of an oyster, which infests various deciduous trees and shrubs.
  • paleobiochemistry — the study of biochemical processes that occurred in fossil life forms.
  • pathological liar — a person who tells lies frequently, with no rational motive for doing so.
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