Equator
91(the) equator — the equator UK US noun [singular] an imaginary line that goes round the Earth and divides it into the northern and southern hemispheres Thesaurus: imaginary lines around the earthhyponym planet earthsynonym Variant …
92eccentric equator — Equant E quant, n. [L. aequans, antis, p. pr. of aequare: cf. F. [ e]quant. See {Equate}.] (Ptolemaic Astron.) A circle around whose circumference a planet or the center of ann epicycle was conceived to move uniformly; called also {eccentric… …
93magnetic equator — noun Date: 1832 an imaginary line roughly parallel to the geographical equator and passing through those points where a magnetic needle has no dip …
94Chemical Equator — is something that divides the atmosphere of the northern hemisphere from the atmosphere of the southern hemisphere. [http://www.sciencedaily.com/releases/2008/09/080923091339.htm] References …
95galactic equator — Astron. the great circle on the celestial sphere that is equidistant from the galactic poles, being inclined approximately 62° to the celestial equator and lying about one degree north of the center line of the Milky Way. Also called galactic… …
96celestial equator — noun A great circle on the celestial sphere, coincident with the plane of earths equator …
97Chemical equator — The chemical equator concept was coined in 2008 when researchers from University of York discovered a distinct divide between the polluted air over Indonesia from the largely uncontaminated atmosphere over Australia. The divide of the atmosphere… …
98celestial equator — The great circle of the celestial sphere, in which all points are 90° from the poles. It is the plane of the earth’s equator projected onto the celestial sphere. Also called equinoctial …
99celestial equator — noun the projection into space of the earth s equator …
100magnetic equator — noun the irregular imaginary line, passing round the earth near the equator, on which a magnetic needle has no dip …
