rad vs radian
radian vs radrad and radian both are nouns.
| Word | Noun | Adjective | Verb | Adverb |
|---|---|---|---|---|
| rad | Yes | No | No | No |
| radian | Yes | No | No | No |
As nouns,
rad and radian
are synonyms defined as:
- rad and radian: 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)
| rad (noun) | radian (noun) |
|---|---|
| a unit of absorbed ionizing radiation equal to 100 ergs per gram of irradiated material | 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) |
| 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) |
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