| Acronym | Meaning |
| OPAL | Omni-Purpose Apparatus At LEP |
| VSP | Vertical Seismic Profile |
| SAGE II | Stratospheric Aerosol And Gas Expt. II |
| AWS | American Welding Society |
| LPIM | Low-pressure Injection Molding |
| CIN | Chemical Industry Notes |
| CGCP | Canadian Global Change Program |
| GSD | Geometric Std. Deviation |
| TSH | (classical) Trajectory Surface Hopping (for Ion-mol. Collisions) |
| PREP | Plasma Rotating Electrode Process |