RADIAN
Dictionary entry overview: What does radian mean? • RADIAN (noun)
The noun RADIAN has 1 sense:
1. 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)
Familiarity information: RADIAN used as a noun is very rare.
Dictionary entry details
• RADIAN (noun)
Meaning:
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)
Classified under:
Nouns denoting quantities and units of measure
Synonyms:
radian; rad
Hypernyms ("radian" is a kind of...):
angular unit (a unit of measurement for angles)
Meronyms (parts of "radian"):
milliradian (a unit of angular distance equal to one thousandth of a radian)
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