Search Result for "magnetic equator":
Wordnet 3.0

NOUN (1)

1. an imaginary line paralleling the equator where a magnetic needle has no dip;
[syn: aclinic line, magnetic equator]


The Collaborative International Dictionary of English v.0.48:

magnetic equator \magnetic equator\ n. An imaginary line paralleling the equator where a magnetic needle has no dip, the dipping needle being horizontal; called also aclinic line. [WordNet 1.5]
The Collaborative International Dictionary of English v.0.48:

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 hemispheres. [1913 Webster] 2. (Astron.) The great circle of the celestial sphere, coincident with the plane of the earth's 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. [1913 Webster] Equator of the sun or Equator of a planet (Astron.), the great circle whose plane passes through through the center of the body, and is perpendicular to its axis of revolution. Magnetic equator. See Aclinic. [1913 Webster]
WordNet (r) 3.0 (2006):

magnetic equator n 1: an imaginary line paralleling the equator where a magnetic needle has no dip [syn: aclinic line, magnetic equator]