D defs.my
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Entry 2 senses · 2 variants Webster, 1913

Rad

/(răd)/ · IPA /ɹæd/
01 n. 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 mate…
  1. 1.
    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).
02 imp. & p. p. imp. & p. p. of Read, Rede.
  1. 1.
    imp. & p. p. of Read, Rede.obs. See: Read, Rede