radian

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radian

/ˈɹeɪdiən/

Rhymes with -eɪdiən

noun radians

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.

Translations

Every language

noun unit

Español	radián
日本語	ラジアン rajian
中文	弧度 húdù
Português	radiano
Français	radian
Deutsch	Radiant
Italiano	radiante
Ελληνικά	ακτίνιο aktínio
Română	radian
Русский	радиан radian

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MLA

"radian." Wiktionary, via Micwyn, micwyn.com/word/radian. Accessed 6 Nov. 2026.

APA

radian. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/radian

Chicago

"radian." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/radian.

BibTeX

@misc{radian_2026,
  title = {radian},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/radian},
  urldate = {2026-11-06}
}