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20-letter words containing a, e, r, o

  • health questionnaire — A health questionnaire is a list of questions about someone's health issued by underwriters before accepting a person as a risk.
  • heat of vaporization — the heat absorbed per unit mass of a given material at its boiling point that completely converts the material to a gas at the same temperature: equal to the heat of condensation.
  • helicopter parenting — 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.
  • heston and isleworth — a former borough, now part of Hounslow, in SE England, near London.
  • heteropolysaccharide — (carbohydrate) any polysaccharide formed from two or more different kinds of monosaccharide.
  • hexafluoroantimonate — (inorganic chemistry) The anion SbF6- or any salt containing this anion; it is used as an acidic catalyst in epoxide opening reactions.
  • hierarchical routing — The complex problem of routing on large networks can be simplified by breaking a network into a hierarchy of smaller networks, where each level is responsible for its own routing. The Internet has, basically, three levels: the backbones, the mid-levels, and the stub networks. The backbones know how to route between the mid-levels, the mid-levels know how to route between the sites, and each site (being an autonomous system) knows how to route internally. See also Exterior Gateway Protocol, Interior Gateway Protocol, transit network.
  • hildegard von bingen — Hildegard von (Hildegard of Bingen"Sibyl of the Rhine") 1098–1178, German nun, healer, writer, and composer.
  • holy water sprinkler — morning star (def 2).
  • honeysuckle ornament — anthemion.
  • horizontal microcode — (processor)   Microcode using horizontal encoding.
  • horizontal scan rate — (hardware)   (HSR) The measure of how many scan lines of pixels a monitor can display in one second, expressed in kHz (generally somewhere between 20 and 100 kHz). The HSR is controlled by the horizontal sync signal generated by the video controller, but is limited by the speed with which the monitor can scan the electron beam horizontally across the screen and then return it to the beginning of the next line.
  • horizontally opposed — A horizontally opposed engine has the cylinders set horizontally at either side of the crankshaft.
  • hot under the collar — the part of a shirt, coat, dress, blouse, etc., that encompasses the neckline of the garment and is sewn permanently to it, often so as to fold or roll over.
  • houses of parliament — In Britain, the Houses of Parliament are the British parliament, which consists of two parts, the House of Commons and the House of Lords. The buildings where the British parliament does its work are also called the Houses of Parliament.
  • how are you keeping? — how are you?
  • human genome project — a federally funded U.S. scientific project to identify both the genes and the entire sequence of DNA base pairs that make up the human genome.
  • human growth hormone — somatotropin. Abbreviation: hGH.
  • human interest story — news item about people's lives
  • human-interest story — a story or report, as in a newspaper or on a newscast, designed to engage attention and sympathy by enabling one to identify readily with the people, problems, and situations described.
  • hungarian bromegrass — a pasture grass, Bromus inermis, native to Europe, having smooth blades.
  • hurricane-force wind — a wind, not necessarily a hurricane, having a speed of more than 72 miles per hour (32 m/sec): the strongest of the winds.
  • hydraulic suspension — a system of motor-vehicle suspension using hydraulic members, often with hydraulic compensation between front and rear systems (hydroelastic suspension)
  • hydrodesulfurization — desulfurization by catalytic agents of the sulfur-rich hydrocarbons obtained from petroleum or the like during cracking or hydrocracking.
  • hydrostatic pressure — Hydrostatic pressure is the pressure exerted by a liquid that depends on how deep it is.
  • hyperadrenocorticism — Cushing's syndrome.
  • hyperbolic cotangent — a hyperbolic function that is the ratio of cosh to sinh, being the reciprocal of tanh; coth
  • hypercholesterolemia — the presence of an excessive amount of cholesterol in the blood.
  • hyperhomocysteinemia — (medicine) The presence of an excessive amount of homocysteine in the blood.
  • hyperlipoproteinemia — Pathology. any of various disorders of lipoprotein metabolism, usually characterized by abnormally high levels of cholesterol and certain lipoproteins in the blood.
  • ideal of pure reason — God, seen as an idea of pure reason unifying the personal soul with the cosmos.
  • imported currantworm — the larva of any of several insects, as a sawfly, Nematus ribesii (imported currantworm) which infests and feeds on the leaves and fruit of currants.
  • in (or out of) gear — (not) connected to the motor
  • in a state of nature — completely naked
  • in any shape or form — If you say, for example, that you will not accept something in any shape or form, or in any way, shape or form, you are emphasizing that you will not accept it in any circumstances.
  • in flagrante delicto — Law. in the very act of committing the offense.
  • in the lap of luxury — If you say that someone lives in the lap of luxury, you mean that they live in conditions of great comfort and wealth.
  • in the nature of sth — If you say that one thing is in the nature of another, you mean that it is like the other thing.
  • in-service education — training and education given to employed teachers throughout their career
  • income tax inspector — a person whose job is to assess individuals' income tax liability
  • incorporated company — a legally constituted company
  • incremental recorder — a device for recording data as it is generated, usually on paper tape or magnetic tape, and feeding it into a computer
  • indian cucumber root — a North American plant, Medeola virginiana, of the lily family, having whorled leaves, nodding, greenish-yellow flowers, and an edible root.
  • indicated horsepower — the horsepower of a reciprocating engine as shown by an indicator record. Abbreviation: ihp, IHP.
  • industrial democracy — control of an organization by the people who work for it, esp by workers holding positions on its board of directors
  • industrial espionage — the stealing of technological or commercial research data, blueprints, plans, etc., as by a person in the hire of a competing company.
  • industrial relations — (used with a plural verb) the dealings or relations of an industrial concern with its employees, with labor in general, with the public, etc.
  • infiltration gallery — a conduit, built in permeable earth, for collecting ground water.
  • information builders — Distributors of LEVEL5 OBJECT. Telephone +1 800 969 INFO.
  • information exchange — discussion that involves exchanging ideas and knowledge
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