Definition of sphere

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Sphere (n.) In ancient astronomy, one of the concentric and eccentric revolving spherical transparent shells in which the stars, sun, planets, and moon were supposed to be set, and by which they were carried, in such a manner as to produce their apparent motions..

Lern More About Sphere

Buoyancy :: Buoyancy (n.) The property of floating on the surface of a liquid, or in a fluid, as in the atmosphere; specific lightness, which is inversely as the weight compared with that of an equal volume of water..
Faculae :: Faculae (n. pl.) Groups of small shining spots on the surface of the sun which are brighter than the other parts of the photosphere. They are generally seen in the neighborhood of the dark spots, and are supposed to be elevated portions of the photosphere..
Baroscope :: Baroscope (n.) Any instrument showing the changes in the weight of the atmosphere; also, less appropriately, any instrument that indicates -or foreshadows changes of the weather, as a deep vial of liquid holding in suspension some substance which rises and falls with atmospheric changes..
Atmospherical :: Atmospherical (a.) Dependent on the atmosphere.
Storm :: Storm (n.) A violent disturbance of the atmosphere, attended by wind, rain, snow, hail, or thunder and lightning; hence, often, a heavy fall of rain, snow, or hail, whether accompanied with wind or not..
Monospherical :: Monospherical (a.) Consisting of one sphere only.
Dasymeter :: Dasymeter (n.) An instrument for testing the density of gases, consisting of a thin glass globe, which is weighed in the gas or gases, and then in an atmosphere of known density..
Diameter :: Diameter (n.) Any right line passing through the center of a figure or body, as a circle, conic section, sphere, cube, etc., and terminated by the opposite boundaries; a straight line which bisects a system of parallel chords drawn in a curve..
Department :: Department (v. i.) A distinct course of life, action, study, or the like; appointed sphere or walk; province..
Ethereal :: Ethereal (a.) Pertaining to the hypothetical upper, purer air, or to the higher regions beyond the earth or beyond the atmosphere; celestial; as, ethereal space; ethereal regions..
Orb :: Orb (n.) A sphere of action.
State :: State (n.) In the United States, one of the commonwealth, or bodies politic, the people of which make up the body of the nation, and which, under the national constitution, stands in certain specified relations with the national government, and are invested, as commonwealth, with full power in their several spheres over all matters not expressly inhibited..
Mist :: Mist (n.) Visible watery vapor suspended in the atmosphere, at or near the surface of the earth; fog..
Hydrometeorology :: Hydrometeorology (n.) That branch of meteorology which relates to, or treats of, water in the atmosphere, or its phenomena, as rain, clouds, snow, hail, storms, etc..
Coccosphere :: Coccosphere (n.) A small, rounded, marine organism, capable of braking up into coccoliths..
Spheric :: Spheric (a.) Of or pertaining to the heavenly orbs, or to the sphere or spheres in which, according to ancient astronomy and astrology, they were set..
Albatross :: Albatross (n.) A web-footed bird, of the genus Diomedea, of which there are several species. They are the largest of sea birds, capable of long-continued flight, and are often seen at great distances from the land. They are found chiefly in the southern hemisphere..
Sphere :: Sphere (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..
Umbilicus :: Umbilicus (n.) A point of a surface at which the curvatures of the normal sections are all equal to each other. A sphere may be osculatory to the surface in every direction at an umbilicus. Called also umbilic.
Pole :: Pole (n.) A point upon the surface of a sphere equally distant from every part of the circumference of a great circle; or the point in which a diameter of the sphere perpendicular to the plane of such circle meets the surface. Such a point is called the pole of that circle; as, the pole of the horizon; the pole of the ecliptic; the pole of a given meridian..
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