The meaning of the Acronym GY is...

GY is

• Grays (units of radiation)

More Meanings For GY:

• Gray (= 100 Rads; units of irradiation)
• Graveyard Yun
• Grays (units of radiation)
• Gencorp, Inc.
• Gunnery
• Greater Yellowstone
• Goodyear
• Game Year
• Guyana

GY is also in:

• Conferences
• Countries
• Military
• NYSE Symbols
• Oncology
• State and Local
• Suppliers
• Unfiled
• Unit Measures