equator
noun Etymology: Middle English, from Medieval Latin aequator, literally, equalizer, from Latin aequare Date: 14th century 1. the great circle of the celestial sphere whose plane is perpendicular to the axis of the earth 2. a great circle of the earth or a celestial body that is everywhere equally distant from the two poles and divides the surface into the northern and southern hemispheres 3. a. a circle or circular band dividing the surface of a body into two usually equal and symmetrical parts b. equatorial plane <
the equator of a dividing cell
>
4. great circle

New Collegiate Dictionary. 2001.

Synonyms:

Look at other dictionaries:

  • 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 — late 14c., from M.L. aequator diei et noctis equalizer of day and night (when the sun is on the celestial equator, twice annually, day and night are of equal length), agent noun from L. aequare make equal (see EQUATE (Cf. equate)). Sense of… …   Etymology dictionary

  • equator — [ē kwāt′ər, ikwāt′ər] n. [ME < ML < LL aequator, lit., one who makes equal: see EQUATE] 1. an imaginary circle around the earth, equally distant at all points from both the North and South Poles: it divides the earth s surface into the… …   English World dictionary

  • equator — EQUATÓR s.n. v. ecuator. Trimis de LauraGellner, 13.09.2007. Sursa: DN …   Dicționar Român

  • Equator — Eqüator, Equatour m. l Equateur …   Diccionari Personau e Evolutiu

  • equator — ► NOUN ▪ a notional line around the earth equidistant from the poles, dividing the earth into northern and southern hemispheres. ORIGIN Latin aequator, in the phrase circulus aequator diei et noctis circle equalizing day and night …   English terms dictionary

  • Equator — For other uses, see Equator (disambiguation). 0° Equator …   Wikipedia

  • equator — noun VERB + EQUATOR ▪ cross ▪ straddle PREPOSITION ▪ around the equator ▪ Rainforests occur around the equator …   Collocations dictionary

  • equator — /i kway teuhr/, n. 1. the great circle on a sphere or heavenly body whose plane is perpendicular to the axis, equidistant everywhere from the two poles of the sphere or heavenly body. 2. the great circle of the earth that is equidistant from the… …   Universalium

  • equator — e|qua|tor Equator [ıˈkweıtə US ər] n [Date: 1300 1400; : Medieval Latin; Origin: aequator equalizer , from Latin aequare ( EQUATE); because day and night are equal at the equator] the equator an imaginary line drawn around the middle of the Earth …   Dictionary of contemporary English

  • equator — n. above; at, on; below the equator * * * [ɪ kweɪtə] at below the equator on above …   Combinatory dictionary

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