| Acronym | Meaning |
| SAW | Self-avoiding Walk [modeling] |
| APD | Action Potential Duration |
| TCCL | Toxic Chemicals Control Law (Korea) |
| IRSID | French Research Institute Of Siderurgy |
| PLTD | Phospholipid Transfer Protein |
| CHIRP | Core-hole Initiated Relaxation Process (in Ionic Crystals) |
| GRI | Gas Research Institute |
| CIOS | Corrected Infinite-order Sudden (approxn In Mol. Collisions) |
| HEAL | Human Exposure Assessment Location |
| STMAS | Satellite Transition Magic-angle-spinning |