RADIAN
\ɹˈe͡ɪdi͡ən], \ɹˈeɪdiən], \ɹ_ˈeɪ_d_iə_n]\
Definitions of RADIAN
- 2011 - English Dictionary Database
- 2010 - New Age Dictionary Database
- 1913 - Webster's Revised Unabridged Dictionary
- 1920 - A practical medical dictionary.
- 1908 - Chambers's Twentieth Century Dictionary of the English Language
- 1919 - The concise Oxford dictionary of current English
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the unit of plane angle adopted under the System 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)
By DataStellar Co., Ltd
By Oddity Software
By Noah Webster.
By Stedman, Thomas Lathrop
By Thomas Davidson