Associations to the word «Gy»

Wiktionary

GY, symbol. (metrology) The symbol for gray, a unit of absorbed dose.
GY, symbol. Gigayear
GY, symbol. The ISO 3166-1 two-letter (alpha-2) code for Guyana.

Dictionary definition

GY, noun. 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.

Wise words

The chief difference between words and deeds is that words are always intended for men for their approbation, but deeds can be done only for God.
Leo Tolstoy