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equator Definition
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equator
noun(equa-tor)the great circle of the celestial sphere whose plane is perpendicular to the axis of the earth
equator
noun(equa-tor)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
equator
noun(equa-tor)a circle or circular band dividing the surface of a body into two usually equal and symmetrical parts
equator
noun(equa-tor)the great circle on the celestial sphere midway between the celestial poles
equator
noun(equa-tor)an imaginary line roughly parallel to the geographical equator and passing through those points where a magnetic needle has no dip
equator
noun(equa-tor)an imaginary circle around the middle of the Earth that is the same distance from the North Pole and the South Pole