radian

Mane (Îngilîzî)

In the International System of Units, the derived unit of plane angle: the angle subtended at the centre of a circle by an arc of its circumference equal in length to the radius of the circle.

Hevwate

rad

curvature

illuminant

light source

source

source of light

photosource

luminous source

optical source

radian measure

illuminating source

actinium

light source luminaire

Werger

radian

radiano

radiante

Radiant

radiaal

radián

radyan

radiant

ακτίνιο

radian

Bogenmaß

Winkel im Bogenmaß

rad

radian

Wekî (IPA) tê bilêvkirin

/ˈɹeɪdiən/

Etîmolojî (Îngilîzî)

From radius + -an.