Here you will find one or more explanations in English for the word Radians. Also in the bottom left of the page several parts of wikipedia pages related to the word Radians and, of course, Radians synonyms and on the right images related to the word Radians.

Radian Ra"di*an, n. [From Radius.] (Math.) An arc of a circle which is equal to the radius, or the angle measured by such an arc.