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 2024
radian
radian
See also: radián
English
Noun
radian (plural radians)
- (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
unit
See also
Anagrams
External links
Polish
Noun
radian m inan
Declension
declension of radian
Spanish
Verb
radian
- Second-person plural (ustedes) present indicative form of radiar.
- Third-person plural (ellos, ellas, also used with ustedes?) present indicative form of radiar.
Swedish
Noun
radian c
- 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
- grad
- nygrad