rad

What does rad mean?

• A valid word accepted in tournament Scrabble and Words With Friends play.

• noun

  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)

• noun

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

Anagrams of rad