| Abbreviation | Definition |
|---|---|
| GFM | Gallery of Fluid Motion |
| GG | Gaussian Geminals |
| GG | Global Geophysics |
| GG | The Gamma Gamma |
| GGA | Generalized Gradient Approximation |
| GGCP | Generalized Grand Canonical Potential |
| GHI | Global Horizontal Insulation |
| GHP | Group on Hadronic Physics |
| GHZ | Greenberg, Horne, and Zeilinger |
| GJP | Global Journal of Physics |
| GKC | Graand Kinetic Challenge |
| GKE | Get Kinetic Energy |
| GL | Gravity Law |
| GLCP | Global Linear Collider Project |
| GLOMU | GLObal MUon track matching |
| GLR | Generalized Left-Right |
| GMC | Global Motion Compensation |
| GMCD | Gauss Manin Connection In Disguise |
| GML | Galvanometer - Mirror Lightbeam |
| GML | General Measurement Loop |