18-letter words containing per
- aerial perspective — a means of indicating relative distance in terms of a gradation of clarity, tone, and colour, esp blue
- angular dispersion — a measure of the angular separation of light rays of different wavelength or color traversing a prism or diffraction grating, equal to the rate of change of the angle of deviation with respect to the change in wavelength.
- aperture synthesis — an array of radio telescopes used in radio astronomy to simulate a single large-aperture telescope. Some such instruments use movable dishes while others use fixed dishes
- calliper compasses — an instrument for measuring internal or external dimensions, consisting of two steel legs hinged together
- citizenship papers — the document stating that a naturalized person has been formally declared a citizen
- colour temperature — the temperature of a black-body radiator at which it would emit radiation of the same chromaticity as the light under consideration
- combined operation — a military operation carried out jointly by allied forces
- commando operation — a major operation for treatment of cancer of the head and neck, involving removal of many facial structures and subsequent surgical reconstruction
- community property — the joint ownership of the property of a husband and wife
- comparison shopper — an employee of a retail store hired to visit competing stores in order to gather information regarding styles, quality, prices, etc., of merchandise offered by competitors.
- construction paper — Construction paper is a type of stiff, colored paper that children use for drawing and for making things.
- control experiment — an experiment designed to check or correct the results of another experiment by removing the variable or variables operating in that other experiment. The comparison obtained is an indication or measurement of the effect of the variables concerned
- cooling-off period — A cooling-off period is an agreed period of time during which two sides with opposing views try to resolve a dispute before taking any serious action.
- copper naphthenate — a green salt, soluble in benzene, used as an insecticide and a wood preservative, but harmless to plants.
- development period — a length of time during which a company grows
- dispersible tablet — A dispersible tablet is a tablet that disintegrates in water or other liquid.
- earnings per share — the net income of a corporation divided by the total number of shares of its common stock outstanding at a given time. Abbreviation: EPS.
- forced perspective — the use of objects or images that are larger or smaller than they should be, to suggest that they are nearer or further away than they really are
- funding operations — the conversion of government floating stock or short-term debt into holdings of long-term bonds
- gas-permeable lens — a semisoft contact lens, usually removed each day, that allows air to pass through to the eye and affords a wider range of vision corrections than a soft contact lens.
- get the upper hand — gain advantage
- give a person five — to greet or congratulate someone by slapping raised hands
- gnu superoptimiser — (GSO) A function sequence generator that uses an exhaustive generate-and-test approach to find the shortest instruction sequence for a given function. Written by Torbjorn Granlund <[email protected]> and Tom Wood. You have to tell the superoptimiser which function and which CPU you want to get code for. This is useful for compiler writers. FTP superopt-2.2.tar.Z from a GNU archive site. Generates code for DEC Alpha, SPARC, Intel 80386, 88000, RS/6000, 68000, 29000 and Pyramid (SP, AP and XP).
- grasshopper engine — a steam engine having a piston attached to one end of a beam that is hinged to an upright at the other end, the connecting rod being suspended from near the center of the beam.
- greater periwinkle — a Eurasian apocynaceous evergreen plant of the genus Vinca, V. major, having trailing stems and blue flowers
- 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.
- hyperbaric chamber — a steel vessel in which atmospheric pressure can be raised or lowered by air compressors, used to treat divers or pilots afflicted with aeroembolism and to provide high-oxygen environments for certain medical treatments and operations.
- hyperbilirubinemia — an abnormally high level of bilirubin in the blood, manifested by jaundice, anorexia, and malaise, occurring in association with liver disease and certain hemolytic anemias.
- hypercholesteremia — Alternative spelling of hypercholesteraemia.
- hyperconcentration — the act of concentrating; the state of being concentrated.
- hypermodern school — a style of chess characterized by control of the centre from the flanks
- hypernationalistic — a person devoted to nationalism.
- hyperphosphorylate — To phosphorylate fully.
- hyperproliferation — (biology) An abnormally high rate of proliferation of cells by rapid division.
- hypersensitiveness — The state of being hypersensitive.
- hypersensitization — Photography. to treat (a film or emulsion) so as to increase its speed.
- hypersexualisation — Alternative spelling of hypersexualization.
- hypersexualization — The act or process of hypersexualizing.
- imaginary operator — An imaginary operator is the part of a complex number that defines the magnitude of the part of the complex number at right angles to the real number part.
- in propria persona — represented by oneself and not by an attorney. Abbreviation: in pro. per.
- japanese persimmon — the soft, orange or reddish, edible fruit of an Asian tree, Diospyros kaki.
- linear perspective — a mathematical system for representing three-dimensional objects and space on a two-dimensional surface by means of intersecting lines that are drawn vertically and horizontally and that radiate from one point (one-point perspective) two points (two-point perspective) or several points on a horizon line as perceived by a viewer imagined in an arbitrarily fixed position.
- lubber grasshopper — plains grasshopper.
- magnesium peroxide — a white, tasteless, water-insoluble powder, MgO 2 , used as an antiseptic and as an oxidizing and bleaching agent.
- micrometer caliper — calipers with a micrometer screw, for extremely accurate measurement
- micrometer-caliper — any of various devices for measuring minute distances, angles, etc., as in connection with a telescope or microscope.
- midstream operator — A midstream operator is a company that gathers, transports, and processes natural gas or oil.
- monk's pepper tree — a shrub or small tree, Vitex agnus-castus, of southern Europe, having aromatic, hairy leaves and long clusters of fragrant, pale lilac-blue flowers.
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