| Acronym | Meaning |
| PREP | Plasma Rotating Electrode Process |
| I-TEF | International Toxicity Equvalency Factor |
| ESD | Environmental Services Division (US EPA) |
| MULAP | Mulliken Approximation |
| MNOS | Metal-nitride Oxide Semiconductor |
| MTC | Magnetization Transfer Contrast |
| TAN | Total Acid Number |
| OP | Oceanic Plagiogranites |
| LEPS | London-Eyring-Polanyi-Sato (potential-energy Surface) |
| PSA | Pressure Sensitive Adhesive |