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radian - What does it mean?

Definition of 'radian'

English

Noun

(en-noun)
  • (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

    • Derived terms

    * steradian

    See also

    * degree * gradian

    Anagrams

    * *

    External links

    * ----

    Similar to 'radian'

    ridden, rotten, radon, redden, retain, ration, redan, rattan, radion, ratoon, rattoon, rutin, rhyton, ruden, roton, ratten, rhodian, readen, ratteen, reeden, ratan, radeon, redon