Rad

[ræd]

(noun.) a unit of absorbed ionizing radiation equal to 100 ergs per gram of irradiated material.

Editor: Winthrop--From WordNet

(-) imp. & p. p. of Read, Rede.

Checked by Justin

pa.t. of read and ride.

n. short for radical.

adj. (Scot.) afraid.

Inputed by Eunice