rad — English Dictionary

Noun

1. A non-SI unit of absorbed dose of radiation, equal to 0.01 gray, that is, 1 centigray.

   Synonyms

   centigraymul:cGy

   Examples

   Near-synonyms: centigray, cGy (same physical quantity)

Noun

1. a unit of absorbed ionizing radiation equal to 100 ergs per gram of irradiated material

   Broader terms

   radioactivity unit

2. 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)

   Synonyms

   radian

   Broader terms

   angular unit