RADIAN

radian, rad

(noun) the unit of plane angle adopted under the Systeme International d’Unites; equal to the angle at the center of a circle subtended by an arc equal in length to the radius (approximately 57.295 degrees)

Source: WordNet® 3.1


Etymology

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

Anagrams

• Adrian, Adrina, Ardian, Darian, ardian

Source: Wiktionary


Ra"di*an, n. Etym: [From Radius.] (Math.)

Definition: An arc of a circle which is equal to the radius, or the angle measured by such an arc.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

25 April 2024

TYPIFY

(verb) embody the essential characteristics of or be a typical example of; “The fugue typifies Bach’s style of composition”


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