e|qua|tor

e|qua|tor
e|qua|tor «ih KWAY tuhr», noun.
1. an imaginary circle around the middle of the earth, halfway between the North Pole and the South Pole: »

The United States is north of the equator; Australia is south of it. Crossed the equator…I now for the first time felt at liberty…to call myself a son of Neptune (Richard Henry Dana).

2. a similarly situated circle on any heavenly body.
3. a great circle (celestial equator) of the celestial sphere, the plane of which is perpendicular to the axis of the earth.
4. Aeronautics. the horizontal circle about a balloon at the place of its greatest width.
5. Biology. = equatorial plane. (Cf. ↑equatorial plane)
╂[< Medieval Latin aequator (diei et noctis) equalizer (of day and night) < Latin aequāre; see etym. under equate (Cf. ↑equate)]

Useful english dictionary. 2012.

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Look at other dictionaries:

  • qua|tor|zain — «kuh TAWR zayn, KAT uhr », noun. 1. a poem of fourteen lines resembling a sonnet but not in strict sonnet form. 2. = sonnet. (Cf. ↑sonnet) ╂[< Middle French quatorzaine a set of 14 < quatorze quatorze] …   Useful english dictionary

  • e|qua|tor|ward — «ih KWAY tuhr wuhrd», adverb, adjective. toward the equator: »cold water from the polar seas sinks and creeps equatorward along the bottom (White and Renner) …   Useful english dictionary

  • qua — ad·e·qua·cy; ad·e·qua·tion; ad·e·qua·tive; ana·qua; an·ti·qua·tion; chau·tau·qua; chin·qua·pin; col·li·qua·tion; des·qua·mate; des·qua·ma·tive; des·qua·ma·to·ry; eli·qua·tion; ex·e·qua·tur; kwal·hi·o·qua; li·qua·tion; lo·qua·cious;… …   English syllables

  • tor — ab·ac·tor; ab·bre·vi·a·tor; ab·di·ca·tor; abet·tor; ab·ne·ga·tor; abom·i·na·tor; ab·sol·vi·tor; ab·strac·tor; ac·cel·er·a·tor; ac·cen·tor; ac·cen·tu·a·tor; ac·cep·tor; ac·com·mo·da·tor; ac·cu·mu·la·tor; acet·y·la·tor; ac·ti·va·tor; ac·tor;… …   English syllables

  • quatorzain — qua·tor·zain …   English syllables

  • equator, the — e|qua|tor, the or E|qua|tor, the [ ı kweıtər ] noun an imaginary line that goes around the Earth and divides it into the northern and southern HEMISPHERES …   Usage of the words and phrases in modern English

  • Äquator — Ä·qua̲·tor der; s; nur Sg; ein gedachter Kreis um die Erde, der diese in eine nördliche und eine südliche Hälfte teilt || hierzu ä·qua·to·ri·a̲l Adj …   Langenscheidt Großwörterbuch Deutsch als Fremdsprache

  • equator — e•qua•tor [[t]ɪˈkweɪ tər[/t]] n. 1) geg the great circle on a sphere or heavenly body whose plane is perpendicular to the axis and everywhere equidistant from the poles 2) geo the great circle of the earth that is equidistant from the North Pole… …   From formal English to slang

  • Equator — E*qua tor, n. [L. aequator one who equalizes: cf. F. [ e]quateur equator. See {Equate}.] 1. (Geog.) The imaginary great circle on the earth s surface, everywhere equally distant from the two poles, and dividing the earth s surface into two… …   The Collaborative International Dictionary of English

  • Equator of a planet — Equator E*qua tor, n. [L. aequator one who equalizes: cf. F. [ e]quateur equator. See {Equate}.] 1. (Geog.) The imaginary great circle on the earth s surface, everywhere equally distant from the two poles, and dividing the earth s surface into… …   The Collaborative International Dictionary of English

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