Visit the forum if you have a language query!

sphere

Definition from Dictionary, a free dictionary
Think for thyself one good idea, but known to be thine own, is better than a thousand gleaned from fields by others sown.
Alexander Wilson
Jump to: navigation, search
See also sphère

English

Wikipedia-logo-en.png
Wikipedia has an article on:
Wikipedia

Etymology

From Old French espere, from late [[w:Template:lang:la language|Template:lang:la]][[Category:Template:lang:la derivations]] sphēra, earlier sphaera (ball, globe, celestial sphere), from Ancient Greek σφαῖρα (ball, globe), of unknown origin.

Pronunciation

Noun

Singular
sphere

Plural
{{{1}}}

sphere ({{{1}}})
  1. (geometry)A regular three-dimensional object in which every cross-section is a circle; the figure described by the revolution of a semi-circle about its diameter.
  2. (mathematics) The set of all points in three-dimensional Euclidean space (or n.-dimensional space, in topology) that are a fixed distance from a fixed point.
  3. A spherical object; a globe or ball.
  4. The apparent outer limit of space, the edge of the heavens, imagined as a hollow globe within which celestial bodies appear to be embedded.
  5. (historical, astronomy) Any of the concentric hollow transparent globes formerly believed to rotate around the Earth, and which carried the heavenly bodies; there were originally believed to be eight, and later nine and ten; friction between them was thought to cause a harmonious sound (the music of the spheres).
    • 1603, John Florio, translating Michel de Montaigne, Essays, vol. 1 p. 153:
      It is more simplicitie to teach our children [...] [t]he knowledge of the starres, and the motion of the eighth spheare, before their owne.
  6. (figuratively) An area of activity for a planet; or by extension, an area of influence for a god, hero etc.
  7. The region in which something or someone is active; one's province, domain.

Synonyms

Derived terms

Related terms

Translations

The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Help:How to check translations.

See also

Elsewhere on the web

En-En

En-It

En-Fr

En-El

En-Sp

En-Mul

En-De

OnelookIATEIATEIATEIATEProZDict.cc
WordnikIATELinguee
GoogleIATE