sphere

IPA: sfˈɪr

noun

  • (mathematics) A regular three-dimensional object in which every cross-section is a circle; the figure described by the revolution of a circle about its diameter .
  • A spherical physical object; a globe or ball.
  • (astronomy, now rare) The celestial sphere: the edge of the heavens, imagined as a hollow globe within which celestial bodies appear to be embedded.
  • (historical, astronomy, mythology) 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).
  • (mythology) An area of activity for a planet; or by extension, an area of influence for a god, hero etc.
  • (figuratively) The region in which something or someone is active; one's province, domain.
  • The natural, normal, or proper place (of something).
  • (geometry) 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 .
  • (logic, dated) The domain of reference of a proposition, subject, or predicate, or the totality of the particular subjects to which it applies.

verb

  • (transitive) To place in a sphere, or among the spheres; to ensphere.
  • (transitive) To make round or spherical; to perfect.
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Examples of "sphere" in Sentences

  • The device is attached to the sphere.
  • The sphere in the center is reflective.
  • They trap the monster in the Sphere of Yun.
  • The planet is embedded in the epicycle sphere.
  • The third is the surface of an ordinary sphere.
  • The 3 dimensional analog of the circle is the sphere.
  • The mapping of the coordinates to the sphere is correct.
  • It belongs to the sphere of the Church, not of the State.
  • English was the chief representative of the receptive sphere.
  • The axis of this sphere extends beyond its poles and skewers the outer sphere.

Related Links

synonyms for spheredescribing words for sphere
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