1. plural of rad, a unit of absorbed radiation dose
Usage: scientific; physics
2. plural of rad, meaning radical people or things
Usage: informal; slang

Examples

• The patient received 200 rads of radiation during treatment.
• Safety limits are set at 5 rads per year for workers.
• The dosimeter measured exposure in rads.
• Those rads at the skate park are really talented.
• The rads organized a protest downtown.
• Medical technicians monitor radiation exposure in rads.