Last modified on 22 July 2014, at 23:59

sphere

See also: -sphere, sphère, and -sphère

EnglishEdit

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Alternative formsEdit

EtymologyEdit

From Old French sphere, from Late Latin sphēra, earlier Latin sphaera (ball, globe, celestial sphere), from Ancient Greek σφαῖρα (sphaîra, ball, globe), of unknown origin. Compare Persian سپهر (sepehr, sky)

PronunciationEdit

NounEdit

sphere (plural spheres)

  1. (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 [from 14th c.].
  2. A spherical physical object; a globe or ball. [from 14th c.]
    • Milton
      Of celestial bodies, first the sun, / A mighty sphere, he framed.
    • 2011, Piers Sellers, The Guardian, 6 Jul 2011:
      So your orientation changes a little bit but it sinks in that the world is a sphere, and you're going around it, sometimes under it, sideways, or over it.
  3. (astronomy, now rare) The apparent outer limit of space; the edge of the heavens, imagined as a hollow globe within which celestial bodies appear to be embedded. [from 14th c.]
    • 1635, John Donne, "His parting form her":
      Though cold and darkness longer hang somewhere, / Yet Phoebus equally lights all the Sphere.
  4. (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). [from 14th c.]
    • 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.
    • 1646, Thomas Browne, Pseudodoxia Epidemica, I.6:
      They understood not the motion of the eighth sphear from West to East, and so conceived the longitude of the Stars invariable.
  5. (mythology) An area of activity for a planet; or by extension, an area of influence for a god, hero etc. [from 14th c.]
  6. (figuratively) The region in which something or someone is active; one's province, domain. [from 17th c.]
    • 1946, Bertrand Russell, History of Western Philosophy, I.20:
      They thought – originally on grounds derived from religion – that each thing or person had its or his proper sphere, to overstep which is ‘unjust’.
  7. (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 [from 20th c.].
  8. (logic) The extension of a general conception, or the totality of the individuals or species to which it may be applied.

SynonymsEdit

Derived termsEdit

Related termsEdit

TranslationsEdit

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See alsoEdit

VerbEdit

sphere (third-person singular simple present spheres, present participle sphering, simple past and past participle sphered)

  1. (transitive) To place in a sphere, or among the spheres; to ensphere.
    • Shakespeare
      The glorious planet Sol / In noble eminence enthroned and sphered / Amidst the other.
  2. (transitive) To make round or spherical; to perfect.
    (Can we find and add a quotation of Tennyson to this entry?)

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.

AnagramsEdit


Middle FrenchEdit

Alternative formsEdit

NounEdit

sphere m (plural spheres)

  1. sphere (shape)

DescendantsEdit


Old FrenchEdit

Alternative formsEdit

NounEdit

sphere m (oblique plural spheres, nominative singular spheres, nominative plural sphere)

  1. sphere (shape)

DescendantsEdit

ReferencesEdit