| Acronym | Meaning |
| ACTI | Advanced Computational Technology Initiative |
| ACGIH | American Conference Of Governmental Industrial Hygienists |
| RIOSA | Reactive Infinite-order Sudden Approxn. |
| CEPA | Correlated Electron Pair Approxn. |
| LAB | Linear Alkylbenzene |
| EVLSM | Evanescent Wave Light-scattering Microscopy |
| DAL | Defect Action Level |
| PDCAAS | Protein Digestibility Correlated Amino Acid Score |
| IAH | International Association Hydrogeologists |
| MLCPA | Maximum Likelihood Principal Component Analysis |