Definition of equator noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ɪˈkweɪtə(r)//
; NAmE NAmE//ɪˈkweɪtər//
(also the equator) [singular] Other geographic regions, The Earth and the atmosphere
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an imaginary line around the earth at an equal distance from the North and South Poles The island is twenty degrees south of the equator. Wordfinderclimate, earth, equator, equinox, hemisphere, International Date Line, latitude, map, planet, tropic See related entries: Other geographic regions, The Earth and the atmosphere Word Origin late Middle English: from medieval Latin aequator, in the phrase circulus aequator diei et noctis ‘circle equalizing day and night’, from Latin aequare ‘make equal’, from aequus ‘even, level, equal’.Extra examples The island is just 80 miles north of the equator. The lake lies exactly on the equator. The sun heats the sea more at the equator than at the poles. in an area near the equator
See the Oxford Advanced American Dictionary entry: equator