rad
nounUK, US /ɹæd/
1
Metrology A non-SI unit of absorbed dose of radiation, equal to 0.01 gray, that is, 1 centigray.
- Near-synonyms: centigray, cGy (same physical quantity)
2
Symbol Symbol for the radian, a unit of measure for angle.
3
Automotive, Business, Construction, Manufacturing, Plumbing, Transport, Vehicles Abbreviation, Clipping, Slang Clipping of radiator.
4
Engineering, Firearms, Government, Military, Natural sciences, Physical sciences, Politics, Tools, War, Weaponry Abbreviation, Slang Abbreviation of sight radius.
5
Abbreviation, Clipping Clipping of radical: a political radical.
- The women who work in it with me are all feminists, they're all rads, two of them are black belts in karate...I mean, they're major women.1991 April 19, Penny Arcade, “The Real Thing”, in Gay Community News, page 8: