| Acronym | Meaning |
| RNG | Renormalized Group Theory |
| SRF | State Revolving Fund (module Of GICS) |
| PSDF | Power Systems Development Facility |
| MAS | Magic Angle Spinning (solid State NMR) |
| HEGL | High-energy Gas Laser |
| CPU | Central Processing Unit |
| LITGS | Laser Induced Thermal Grating Spectroscopy |
| OMO | Orthonormal Molecular Orbital |
| PCT | Patent Cooperation Treaty |
| ERPG | Emergency Response Planning Guidelines |