# rad
## Noun (N)
### Sense: a unit of absorbed ionizing radiation equal to 100 ergs per gram of irradiated material
- แรด
### Sense: 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)
- เรเดียน