Definition of Rad

Noun: rad  rad

1. A unit of absorbed ionizing radiation equal to 100 ergs per gram of irradiated material
    
2. The unit of plane angle adopted under the Système International d'Unités; equal to the angle at the centre of a circle subtended by an arc equal in length to the radius (approximately 57.295 degrees)
   - radian

See also:
racy
radar

Anagrams containing the word rad

rda dra adr