Research topic:sphere

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sphere

The Oxford Pocket Dictionary of Current English | 2009 | © The Oxford Pocket Dictionary of Current English 2009, originally published by Oxford University Press 2009. (Hide copyright information) Copyright

sphere / sfi(ə)r/ • n. 1. a round solid figure, or its surface, with every point on its surface equidistant from its center. ∎  an object having this shape; a ball or globe. ∎  a globe representing the earth. ∎ chiefly poetic/lit. a celestial body. ∎ poetic/lit. the sky perceived as a vault upon or in which celestial bodies are represented as lying. ∎  each of a series of revolving concentrically arranged spherical shells in which celestial bodies were formerly thought to be set in a fixed relationship. 2. an area of activity, interest, or expertise: his new wife's skill in the domestic sphere. ∎  a section of society or an aspect of life distinguished and unified by a particular characteristic: political reforms to match those in the economic sphere. • v. [tr.] archaic enclose in or as if in a sphere. ∎  form into a rounded or perfect whole. PHRASES: music (or harmony) of the spheres the natural harmonic tones supposedly produced by the movement of the celestial spheres or the bodies fixed in them. sphere of influence (or interest) a country or area in which another country has power to affect developments although it has no formal authority. ∎  a field or area in which an individual or organization has power to affect events and developments. DERIVATIVES: spher·al / -əl/ adj. ( archaic ).

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"sphere." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. 12 Nov. 2009 <http://www.encyclopedia.com>.

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Sphere Drake straightening curves. (Sphere Drake Holdings Ltd.)
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Public Sphere
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Celestial Sphere: The Apparent Motions of the Sun, Moon, Planets, and Stars
Book article from: World of Earth Science ...the hypothetical celestial sphere provides an important tool...celestial objects. The celestial sphere describes an extension of the...celestial objects on a hypothetical sphere surrounding the earth. The...envisioned concentric crystalline spheres, centered around Earth, upon...
Dyson Spheres
Book article from: Space Sciences ...asteroids to create a sphere. The Search for Dyson Spheres Searches have been...there may be Dyson Spheres already in existence...required to build a sphere of this magnitude...many as a Dyson Sphere. Not all proposed Dyson Spheres would need to be...
sphere
Book article from: The Columbia Encyclopedia, Sixth Edition ...plane goes through the center of the sphere, the circle is called a great circle of the sphere. It is the largest circle that can be drawn upon the sphere, and all great circles of the same or equal spheres are of equal size. The shortest distance...
Gender: Separate Spheres for Men and Women
Book article from: American Eras ...belonged in what they called separate “ spheres. ” Women inhabited a sphere comprising the home, church, and social visits...industry, commerce, and politics. These separate spheres were especially well defined among the middle...

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