English dictionary
radian meaning and definition
Definition and meaning of radian at MeaningMonkey.org. radian meaning and definition in the English Dictionary.RADIAN noun
Definition 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)
- synonyms: rad
Source: Princeton University Wordnet