| Acronym | Meaning |
| OPLC | Overpressured Layer Chromatography |
| ASF | Augmented-space Formalism (a Generalization Of CPA) |
| HSDI | High-speed Direct Injection (of Diesel Engines) |
| SCAUA | Semiclassical Approxn. United Atom |
| PREEN | Pacific Rim Energy And Environment Network |
| URIF | Uniformly Retreating Ice Front [in Model Of Dehydration] |
| TCDW | Target Continuum Distorted-wave (in At.-collision Calcns.) |
| SCCM | Self-consistent Cell Model |
| NTD | Nuclear Track Detector |
| ATR | Attenuated Total Reflectance |