Gy
From Free net encyclopedia
GY Gy or gy may stand for:
- gray (unit) for absorbed dose of radiation (Gy)
- Guyana (ISO country code)
- Gy, Switzerland, a village in the canton of Geneva in Switzerland
- Gy, a commune in the Haute-Saône département in France
- 1 gigayear (1 billion years) (the preferred symbol is Ga)
- GY, a Mazda piston engine
- a letter in the Hungarian alphabet