| Acronym | Meaning |
| OVC | Optimized Valence Configuration |
| GRID | Global Resources Information Database |
| INS | Ion Neutralization Spectroscopy |
| OSHA | Occupational Safety And Health Act Or Administration |
| LFMO | Ligand Field Method Combined With Linear Combination Of Atomic Orbitals-molecular Orbital Method |
| NNRTI | Non-nucleoside Reverse Transcriptase Inhibitor |
| CPPI | Cross-polarization-polarization-inversion [NMR] |
| BCNTF | Biofilm-Controlled Nitrifying Trickling Filter (for Wastewater Treatment) |
| DHB | 2,4-dihydroxybenzoic Acid |
| DRS | Dissolved Reactive Silicate |