radian en · NOUN
Pronunciation
- (Southern-England) audio
- /ˈɹeɪdiən/
Etymology
Etymology tree Latin radiusbor. English radius Proto-Indo-European *-nós Proto-Italic *-nos Proto-Italic *-ānos Latin -ānus Old French -ainder. Middle English -an English -an English radian From radius + -an.
Meanings
- In the International System of Units, the derived unit of plane angle: the angle subtended at the centre of a circle by an arc of its circumference equal in length to the radius of the circle.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| radians | Number=Plur | lexicographic |
Deriveds
radiansphere · milliradian · picoradian · microradian · steradian
Relateds
mul:rad · mul:ᶜ · degree · gradian
Translations (29)
sl radian (unit) · tl radyan (unit) · cy radian (unit) · ms radian (unit) · id radian (unit) · el ακτίνιο (unit) · fr radian (unit) · ca radiant (unit) · ru радиан (unit) · es radián (unit) · th เรเดียน (unit) · ga raidian (unit) · nl radiaal (unit) · ca radian (unit) · lv radiāns (unit) · tr radyan (unit) · fi radiaani (unit) · sv radian (unit) · ast radián (unit) · de Radiant (unit) · sk radián (unit) · gl radián (unit) · ja ラジアン (unit) · ro radian (unit) · pt radiano (unit) · it radiante (unit) · pl radian (unit) · cmn 弧度 (unit) · bg радиан (unit)