Rad (Noun)
Meaning 1
A unit of absorbed ionizing radiation equal to 100 ergs per gram of irradiated material.
Classification
Nouns denoting quantities and units of measure.
Meaning 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).
Classification
Nouns denoting quantities and units of measure.