meaning of equator
1. The imaginary great circle on the earths surface, everywhere equally distant from the two poles, and dividing the earths surface into two hemispheres.
2. The great circle of the celestial sphere, coincident with the plane of the earths equator; -- so called because when the sun is in it, the days and nights are of equal length; hence called also the equinoctial, and on maps, globes, etc. , the equinoctial line.
3. an imaginary line around the Earth forming the great circle that is equidistant from the north and south poles; "the equator is the boundary between the northern and southern
">hemispheres"
Related Words
equator | equatorial | equatorial current | equatorial guinea | equatorial guinea monetary unit | equatorially |
