What is the meaning of radian?

noun

  • 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. ).
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). radian. Retrieved September 20, 2026, from http://smartdefine.org/radian/definitions/1243782
ChicagoWordNet. 2010. "radian" http://smartdefine.org/radian/definitions/1243782 (accessed September 20, 2026).
HarvardWordNet 2010, radian, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/radian/definitions/1243782>.
MLAWordNet. "radian" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/radian/definitions/1243782>
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