RAD
Scrabble letter values: R1A1D2 = 4
Definition
- noun a unit of absorbed ionizing radiation equal to 100 ergs per gram of irradiated material.
- noun the unit of plane angle adopted under the Systeme International d'Unites. — synonyms: radian
Examples
- “equal to the angle at the center of a circle subtended by an arc equal in length to the radius (approximately 57.295 degrees)”
- “His beliefs are radical.”
- “The spread of the cancer required radical surgery, and the entire organ was removed.”