What is the meaning of EQUATOR. Phrases containing EQUATOR
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EQUATOR
EQUATOR
A portion of the southern equatorial current flowing westward from the Fiji Islands to New Guinea.
EQUATOR
n.
Distance of any heavenly body south of the equator; south declination; south latitude.
n.
A spherical magnet so placed that its poles, equator, etc., correspond to those of the earth.
n.
The condition of being oblique; deviation from a right line; deviation from parallelism or perpendicularity; the amount of such deviation; divergence; as, the obliquity of the ecliptic to the equator.
n.
The equator; -- usually called the line, or equinoctial line; as, to cross the line.
n.
The arc or portion of the equator intersected between the meridian of a given place and the meridian of some other place from which longitude is reckoned, as from Greenwich, England, or sometimes from the capital of a country, as from Washington or Paris. The longitude of a place is expressed either in degrees or in time; as, that of New York is 74¡ or 4 h. 56 min. west of Greenwich.
superl.
Near, or not very distant from, the equator; as, in the low northern latitudes.
v. i.
The point in the ecliptic at which the sun is farthest from the equator, north or south, namely, the first point of the sign Cancer and the first point of the sign Capricorn, the former being the summer solstice, latter the winter solstice, in northern latitudes; -- so called because the sun then apparently stands still in its northward or southward motion.
n.
An instrument consisting of a telescope so mounted as to have two axes of motion at right angles to each other, one of them parallel to the axis of the earth, and each carrying a graduated circle, the one for measuring declination, and the other right ascension, or the hour angle, so that the telescope may be directed, even in the daytime, to any star or other object whose right ascension and declination are known. The motion in right ascension is sometimes communicated by clockwork, so as to keep the object constantly in the field of the telescope. Called also an equatorial telescope.
n.
A constellation on the equator south of Leo; the Sextant.
n.
The distance of any heavenly body from the equator northward; north declination.
a.
Of or pertaining to the equator; as, equatorial climates; also, pertaining to an equatorial instrument.
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.
adv.
So as to have motion or direction parallel to the equator.
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.
n.
The apparent surface of the heavens, which is assumed to be spherical and everywhere equally distant, in which the heavenly bodies appear to have their places, and on which the various astronomical circles, as of right ascension and declination, the equator, ecliptic, etc., are conceived to be drawn; an ideal geometrical sphere, with the astronomical and geographical circles in their proper positions on it.
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.
n.
A constellation on the equator, lying between Scorpio and Hercules; -- called also Ophiuchus.
n.
A measure of length, equal to 39.37 English inches, the standard of linear measure in the metric system of weights and measures. It was intended to be, and is very nearly, the ten millionth part of the distance from the equator to the north pole, as ascertained by actual measurement of an arc of a meridian. See Metric system, under Metric.
n.
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.
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