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18-letter words containing a, l, e, r, t, y

  • elementary teacher — a teacher in an elementary school
  • emotional literacy — the ability to deal with one's emotions and recognize their causes
  • evolution strategy — (ES) A kind of evolutionary algorithm where individuals (potential solutions) are encoded by a set of real-valued "object variables" (the individual's "genome"). For each object variable an individual also has a "strategy variable" which determines the degree of mutation to be applied to the corresponding object variable. The strategy variables also mutate, allowing the rate of mutation of the object variables to vary. An ES is characterised by the population size, the number of offspring produced in each generation and whether the new population is selected from parents and offspring or only from the offspring. ES were invented in 1963 by Ingo Rechenberg, Hans-Paul Schwefel at the Technical University of Berlin (TUB) while searching for the optimal shapes of bodies in a flow.
  • fallot's tetralogy — a congenital heart disease in which there are four defects: pulmonary stenosis, enlarged right ventricle, a ventricular septal defect, and an aorta whose origin lies over the septal defect. In babies suffering this disease the defects can be corrected by surgery
  • family-tree theory — a theory that describes language change in terms of genetically related languages developing in successive splits from a common parent language, such as Indo-European, as depicted by a family tree diagram.
  • farmer-labor party — a political party in Minnesota, founded in 1920 and merged with the Democratic Party in 1944.
  • free-range poultry — poultry kept in natural nonintensive conditions
  • general relativity — the state or fact of being relative.
  • glyceryl trioleate — olein.
  • graduated cylinder — a narrow, cylindrical container marked with horizontal lines to represent units of measurement and used to precisely measure the volume of liquids.
  • greater yellowlegs — either of two American shorebirds having yellow legs, Tringa melanoleuca (greater yellowlegs) or T. flavipes (lesser yellowlegs)
  • gulf stream system — a major ocean-current system consisting of the Gulf Stream and the Florida and North Atlantic currents.
  • hexaphosphorylated — (biochemistry) phosphorylated with six units of phosphoric acid.
  • hilary of poitiers — Saint, a.d. c300–368, French bishop and theologian.
  • historical geology — the branch of geology dealing with the history of the earth.
  • hot-water cylinder — a vertical cylindrical tank for storing hot water, esp an insulated one made of copper used in a domestic hot-water system
  • hydroflumethiazide — A diuretic drug.
  • hydroxynaphthalene — naphthol.
  • hyper-intellectual — appealing to or engaging the intellect: intellectual pursuits.
  • hyper-metaphorical — a figure of speech in which a term or phrase is applied to something to which it is not literally applicable in order to suggest a resemblance, as in “A mighty fortress is our God.”. Compare mixed metaphor, simile (def 1).
  • hyperaldosteronism — aldosteronism.
  • hypercholesteremia — Alternative spelling of hypercholesteraemia.
  • hypernationalistic — a person devoted to nationalism.
  • hyperphosphorylate — To phosphorylate fully.
  • hyperproliferation — (biology) An abnormally high rate of proliferation of cells by rapid division.
  • hypersexualisation — Alternative spelling of hypersexualization.
  • hypersexualization — The act or process of hypersexualizing.
  • hypophosphorylated — (biochemistry) phosphorylated to a less than normal extent, or less than fully.
  • hysterical reasons — (Or "hysterical raisins") A variant on the stock phrase "for historical reasons", indicating specifically that something must be done in some stupid way for backward compatibility, and moreover that the feature it must be compatible with was the result of a bad design in the first place. "All IBM PC video adaptors have to support MDA text mode for hysterical reasons." Compare bug-for-bug compatible.
  • incommensurability — not commensurable; having no common basis, measure, or standard of comparison.
  • individual liberty — the liberty of an individual to exercise freely those rights generally accepted as being outside of governmental control.
  • indolebutyric acid — a white or yellowish, crystalline, water-insoluble powder, C 12 H 13 O 2 N, a plant hormone similar to indoleacetic acid and used for the same purposes.
  • industrial hygiene — the science that assesses, controls, and prevents occupational factors or sources of stress in the workplace that may significantly affect the health and well-being of employees or of the community in general
  • informatory double — a double intended to inform one's partner that one has a strong hand and to urge a bid regardless of the strength of his or her hand.
  • interchangeability — (of two things) capable of being put or used in the place of each other: interchangeable symbols.
  • interdependability — capable of being depended on; worthy of trust; reliable: a dependable employee.
  • interface analysis — (testing)   A software test which checks the interfaces between program elements for consistency and adherence to predefined rules or axioms.
  • involuntary muscle — muscle: contracts involuntarily
  • james-lange theory — a theory that emotions are caused by bodily sensations; for example, we are sad because we weep
  • kentucky bluegrass — a grass, Poa pratensis, of the Mississippi valley, used for pasturage and lawns.
  • lay at the door of — to blame (a person) for
  • literary criticism — study and review of literature
  • lone-parent family — a family in which there is only one parent
  • lonely hearts club — a club for people who are trying to find a lover or a friend
  • look the other way — look in the opposite direction
  • loosestrife family — the plant family Lythraceae, characterized by herbaceous plants, shrubs, and trees having usually opposite or whorled, simple leaves, clusters of flowers, and fruit in the form of a capsule, and including the crape myrtle, loosestrifes of the genus Lythrum, and the henna shrub.
  • lowell observatory — the astronomical observatory, situated in Flagstaff, Arizona, at which Pluto was discovered in 1930.
  • magnetocrystalline — (physics) Describing the interaction between the magnetization and the crystal structure of a material.
  • magnetoelectricity — electricity developed by the action of magnets.
  • maternity hospital — birthing facility
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