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Thesaurus: radian

An arc of a circle which is equal to the radius, or the angle measured by such an arc.

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Definitions

  1. n. An arc of a circle which is equal to the radius, or the angle measured by such an arc.
  2. n. the unit of plane angle adopted under the Systeme International d'Unites; equal to the angle at the center of a circle subtended by an arc equal in length to the radius (approximately 57.295 degrees)
  3. An arc of a circle which is equal to the radius, or the angle measured by such an arc.
  4. An arc of a circle which is equal to the radius, or the anglemeasured by such an arc.
  5. n:100 n. the unit of plane angle adopted under the Systeme International d'Unites; equal to the angle at the center of a circle subtended by an arc equal in length to the radius (approximately 57.295 degrees)