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Word: sphere (lookup usage) (lookup stats)


Meaning:

Noun:

  • A spherical object; a globe or ball.
  • figuratively An area of activity for a planet; or by extension, an area of influence for a god, hero etc.
  • 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.
  • 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'').
  • 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.
  • The apparent outer limit of space, the edge of the heavens, imagined as a hollow globe within which celestial bodies appear to be embedded.
  • The region in which something or someone is active; one's province, domain.

Source: Wiktionary | Src Info »