# G (disambiguation)

G is the seventh letter of the alphabet. It can also refer to:

## Places

• Gabon, international license plate code G
• Glasgow, UK postal code G
• The eastern part of Quebec, Canadian postal prefix G

## In science

• g, gram, a unit of mass in the SI system
• G, giga-, an SI prefix meaning 109 = 1,000,000,000

### In computing

• G-code, common name for computer numerical control (CNC) programming language
• "G", a visual programming language for National Instruments' LabVIEW
• customary prefix for Gibi, the binary multiple meaning 10243 = 1073741824

### In physics

#### Other uses in physics

• Gibbs free energy, a function of thermodynamics
• Shear modulus, in materials science, the ratio of shear stress to shear strain in a material
• Gluon (g), a fundamental particle which mediates the strong interaction