| Acronym | Meaning |
| NMOG | Non-Methane Organic Gases |
| RLV | Reusable Launch Vehicles (aeronautics) |
| CAOPM | Configuration-averaged Optimized-potential Model |
| PDS | Photothermal Deflection Spectroscopy |
| EIGA | European Industrial Gases Association |
| PSRG | Position-space Renormalization Group (for D.-of-states Calcns.) |
| SARP | Safety Analysis Report For Packaging |
| GTP | Group-transfer Polymerization |
| CCFL | Countercurrent Flow Limitation |
| XSAD | X-ray Small Angle Diffraction |