|LC control no.||sh2002000009
|Geographic subdivision usage||Equator
Zero degrees latitude
|See also||Earth (Planet)
|Found in||Work cat.: Twain, M. Following the equator, 1989.
Web. geog. (Equator: The great circle of Earth that is everywhere equally distant from the poles and divides the surface into Northern and Southern hemispheres)
Random House Web. unabr. dict., c1997 (equator 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 North Pole and South Pole. 3. a circle separating a surface into two congruent parts. 4. See celestial equator)
McGraw-Hill dict. sci. tech. terms (equator [GEOD] The great circle around the earth, equally distant from the North and South poles, which divides the earth into the Northern and Southern hemispheres; the line from which latitudes are reckoned; longitude: Angular distance, along the Equator, between the meridian passing through a position, and usually, the meridian of Greenwich)