Definify.com

Webster 1913 Edition


Radian

Ra′di-an

(rā′dĭ-an)
,
Noun.
[From
Radius
.]
(Math.)
An arc of a circle which is equal to the radius, or the angle measured by such an arc.

Definition 2022


radian

radian

See also: radián

English

Noun

radian (plural radians)

  1. (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

Translations

See also

Anagrams

External links


French

Pronunciation

Noun

radian m (plural radians)

  1. radian

Anagrams


Polish

Noun

radian m inan

  1. radian

Declension


Spanish

Verb

radian

  1. Second-person plural (ustedes) present indicative form of radiar.
  2. Third-person plural (ellos, ellas, also used with ustedes?) present indicative form of radiar.

Swedish

Noun

radian c

  1. a radian, an angular measure where pi radians = 180°

Declension

Inflection of radian 
Singular Plural
Indefinite Definite Indefinite Definite
Nominative radian radianen radianer radianerna
Genitive radians radianens radianers radianernas

See also