Kata bahasa Indonesia
English word
TANDA HUBUNG
WORDNET DICTIONARY
CIDE DICTIONARY
OXFORD DICTIONARY
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WORDNET DICTIONARY
Noun radian has 1 sense
- radian(n = noun.quantity) rad - 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); Array is a kind of angular unit
has parts: milliradian
CIDE DICTIONARY
radian, n. [From Radius.].
An arc of a circle which is equal to the radius, or the angle measured by such an arc. [1913 Webster]
OXFORD DICTIONARY
radian, n. Geom. a unit of angle, equal to an angle at the centre of a circle the arc of which is equal in length to the radius.
Etymology
RADIUS + -AN