Kata bahasa Indonesia English word

Table of Contents -- radian POS
HYPHEN
WORDNET DICTIONARY
CIDE DICTIONARY
OXFORD DICTIONARY

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radian

Noun

ra=di=an

WORDNET DICTIONARY

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);

is a kind of angular unit

has parts: milliradian

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]

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