Synonyms:
radian, rad
Meaning: 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:
rad
Meaning: a unit of absorbed ionizing radiation equal to 100 ergs per gram of irradiated material
Usage examples
"Is that you, Rad?" he called.
"It isn't Mr. Damon; is it, Rad?
"Where are you, Rad?" called the young inventor.
"Here, Rad, come over and scurry among those trees.
"You can go back to bed, Rad," for the colored man, of late, had been sleeping in a shack on the Swift premises.