Definition of equator

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Equator (n.) 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..

Lern More About Equator

Southing :: Southing (n.) Distance of any heavenly body south of the equator; south declination; south latitude.
Ecliptic :: Ecliptic (a.) A great circle drawn on a terrestrial globe, making an angle of 23¡ 28' with the equator; -- used for illustrating and solving astronomical problems..
Ellipticity :: Ellipticity (n.) Deviation of an ellipse or a spheroid from the form of a circle or a sphere; especially, in reference to the figure of the earth, the difference between the equatorial and polar semidiameters, divided by the equatorial; thus, the ellipticity of the earth is /..
Antoecians :: Antoecians (n. pl) Those who live under the same meridian, but on opposite parallels of latitude, north and south of the equator..
Tropic :: Tropic (n.) One of the two small circles of the celestial sphere, situated on each side of the equator, at a distance of 23? 28/, and parallel to it, which the sun just reaches at its greatest declination north or south, and from which it turns again toward the equator, the northern circle being called the Tropic of Cancer, and the southern the Tropic of Capricorn, from the names of the two signs at which they touch the ecliptic..
Amplitude :: Amplitude (n.) The arc of the horizon between the true east or west point and the center of the sun, or a star, at its rising or setting. At the rising, the amplitude is eastern or ortive: at the setting, it is western, occiduous, or occasive. It is also northern or southern, when north or south of the equator..
Equant :: Equant (n.) A circle around whose circumference a planet or the center of ann epicycle was conceived to move uniformly; -- called also eccentric equator.
Serpentarius :: Serpentarius (n.) A constellation on the equator, lying between Scorpio and Hercules; -- called also Ophiuchus..
Girdle :: Girdle (n.) The zodiac; also, the equator..
Climate :: Climate (v. i.) One of thirty regions or zones, parallel to the equator, into which the surface of the earth from the equator to the pole was divided, according to the successive increase of the length of the midsummer day..
Delphinus :: Delphinus (n.) The Dolphin, a constellation near the equator and east of Aquila..
Spring :: Spring (v. i.) The season of the year when plants begin to vegetate and grow; the vernal season, usually comprehending the months of March, April, and May, in the middle latitudes north of the equator..
Latitude :: Latitude (n.) Distance north or south of the equator, measured on a meridian..
Doldrums :: Doldrums (n. pl.) A part of the ocean near the equator, abounding in calms, squalls, and light, baffling winds, which sometimes prevent all progress for weeks; -- so called by sailors..
Northing :: Northing (n.) The distance of any heavenly body from the equator northward; north declination.
Equatorially :: Equatorially (adv.) So as to have motion or direction parallel to the equator.
Plane :: Plane (a.) An ideal surface, conceived as coinciding with, or containing, some designated astronomical line, circle, or other curve; as, the plane of an orbit; the plane of the ecliptic, or of the equator..
Equinoctial :: Equinoctial (a.) Pertaining to the regions or climate of the equinoctial line or equator; in or near that line; as, equinoctial heat; an equinoctial sun..
Antiscii :: Antiscii (n. pl.) The inhabitants of the earth, living on different sides of the equator, whose shadows at noon are cast in opposite directions..
Low :: Low (adv.) In a path near the equator, so that the declination is small, or near the horizon, so that the altitude is small; -- said of the heavenly bodies with reference to the diurnal revolution; as, the moon runs low, that is, is comparatively near the horizon when on or near the meridian..
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