radian

English

noun
Definitions
  • (geometry) In the International System of Units, the derived unit of plane angular measure of angle equal to the angle subtended at the centre of a circle by an arc of its circumference equal in length to the radius of the circle. Symbol: rad

Etymology

Suffix from English radius.

Origin

English

radius

Gloss

Timeline

Distribution of cognates by language

Geogrpahic distribution of cognates

Cognates and derived terms