from The American Heritage® Dictionary of the English Language, 4th Edition
- abbr. gray
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The symbol for gray, a unit of absorbed dose.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the SI unit of energy absorbed from ionizing radiation; equal to the absorption of one joule of radiation energy by one kilogram of matter; one gray equals 100 rad
Sorry, no etymologies found.