| Acronym | Meaning |
| AFGF | Acidic Fibroblast Growth Factor |
| OCAP | Open-channel Air Preheater |
| HFFR | Halogen-free Flame Retardant [thermoplastics] |
| INN | International Nonproprietary Names (for Drugs) |
| BCT | Best Control Technology |
| APT | Accelerator Production Of Tritium |
| SQC | Sediment Quality Criteria |
| QSSA | Quasi-steady-state Approximation |
| ITP | Inosine 5'-triphosphate |
| PDPA | Phase Doppler Particle Analyzer |