Definition of sphere

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Sphere (n.) The extension of a general conception, or the totality of the individuals or species to which it may be applied..

Lern More About Sphere

Claustrum :: Claustrum (n.) A thin lamina of gray matter in each cerebral hemisphere of the brain of man.
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..
Sphere :: 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..
Spheral :: Spheral (a.) Rounded like a sphere; sphere-shaped; hence, symmetrical; complete; perfect..
Balloon :: Balloon (n.) A bag made of silk or other light material, and filled with hydrogen gas or heated air, so as to rise and float in the atmosphere; especially, one with a car attached for aerial navigation..
Chromosphere :: Chromosphere (n.) An atmosphere of rare matter, composed principally of incandescent hydrogen gas, surrounding the sun and enveloping the photosphere. Portions of the chromosphere are here and there thrown up into enormous tongues of flame..
Ovate-rotundate :: Ovate-rotundate (a.) Having a form intermediate between that of an egg and a sphere; roundly ovate.
Oophyte :: Oophyte (n.) Any plant of a proposed class or grand division (collectively termed oophytes or Oophyta), which have their sexual reproduction accomplished by motile antherozoids acting on oospheres, either while included in their oogonia or after exclusion..
Dew :: Dew (n.) Moisture from the atmosphere condensed by cool bodies upon their surfaces, particularly at night..
Gastrula :: Gastrula (n.) An embryonic form having its origin in the invagination or pushing in of the wall of the planula or blastula (the blastosphere) on one side, thus giving rise to a double-walled sac, with one opening or mouth (the blastopore) which leads into the cavity (the archenteron) lined by the inner wall (the hypoblast). See Illust. under Invagination. In a more general sense, an ideal stage in embryonic development. See Gastraea..
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.
Olfaction :: Olfaction (n.) The sense by which the impressions made on the olfactory organs by the odorous particles in the atmosphere are perceived.
Autonomy :: Autonomy (n.) The sovereignty of reason in the sphere of morals; or man's power, as possessed of reason, to give law to himself. In this, according to Kant, consist the true nature and only possible proof of liberty..
Touch :: Touch (v. i.) To be in contact; to be in a state of junction, so that no space is between; as, two spheres touch only at points..
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 /..
Shrievalty :: Shrievalty (n.) The office, or sphere of jurisdiction, of a sheriff; sheriffalty..
Hygrometry :: Hygrometry (n.) That branch of physics which relates to the determination of the humidity of bodies, particularly of the atmosphere, with the theory and use of the instruments constructed for this purpose..
Hyperborean :: Hyperborean (a.) Northern; belonging to, or inhabiting, a region in very far north; most northern; hence, very cold; fright, as, a hyperborean coast or atmosphere..
Unsphere :: Unsphere (v. t.) To remove, as a planet, from its sphere or orb..
Station :: Station (n.) Post assigned; office; the part or department of public duty which a person is appointed to perform; sphere of duty or occupation; employment.
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