radian

Fetched 2026-10-26 (cache).

Synonyms: radial, radman, radia, radiad, radion, rarian, badian, radin, madian, radiac, kadian

Antonyms: radial, radman, radia, radiad, radion, rarian, badian, radin, madian, radiac, kadian

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{senseid|en|Q33680}} {{lb|en|geometry}} In the [[International System of Units]], the [[derived unit]] of [[plane angle]]: the angle [[subtend]]ed at the [[centre]] of a [[circle]] by an [[arc]] of its [[circumference]] equal in length to the [[radius]] of the circle.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.