Gy

noun, symbol, slang

Definitions

Noun
  1. 1
    Initialism of galley yarn. abbreviation, alt-of, initialism, obsolete, slang
  2. 2
    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 wordnet
  3. 3
    Initialism of galactic year. abbreviation, alt-of, initialism
Symbol
  1. 1
    Symbol for gray(s), a unit of absorbed dose. alt-of, symbol
  2. 2
    Alternative form of Gyr (“gigayear(s)”). alt-of, alternative

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