View results from:
Wordnet |
Webster |
Wiktionary |
Easton
rad in WordNet English dictionary
noun- a unit of absorbed ionizing radiation equal to 100 ergs per gram of irradiated material
rad
- 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)
radian rad
WordNet Lexical Database v3.0, © 2006 Princeton University