rad


From The Collaborative International Dictionary of English v.0.48:

Rad \Rad\ (r[a^]d), n. [radiation absorbed dose.]
   A unit of measurement of the amount of ionizing radiation
   absorbed by an object, equal to an energy of 100 ergs per
   gram of irradiated material (equal to 0.01 gray).
   [PJC]
.

From The Collaborative International Dictionary of English v.0.48:

Rad \Rad\ (r[a^]d), obs.
   imp. & p. p. of Read, Rede. --Spenser.
   [1913 Webster]
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