| Acronym | Meaning |
| SIA | Self-interstitial Atom |
| AVT | Arginine Vasotocin |
| PCP | Pentachlorophenol (Reg: 87865) |
| ELA | Experimental Lakes Area (northwest Ontario) |
| AS | Absorption Spectroscopy |
| ANITA | Ammonia And Nitrification Analyzer |
| ICAM | Intercellular Adhesion Molecule |
| FRCA | Fire Retardant Chemicals Association |
| TLFPE | Time-local Fokker-Planck Equation |
| ICM | Intracluster Medium |