Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
radioactivity unit | Yes | No | No | No |
rad | Yes | No | No | No |
radioactivity unit (noun) | rad (noun) |
---|---|
a measure of radioactivity | 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) |