| Acronym | Meaning |
| NPRI | National Pollutant Release Inventory |
| EQA | External Quality Assessment |
| IMOA | Iterative Maximum Overlap Approximation |
| PCMO | Precanonical Molecular Orbital |
| IVCT | Intervalence Charge Transfer |
| PISA | Pharmaceutical Information Systems Association |
| RCM | Ring-closing Metathesis |
| MAST | Mega-Amp Spherical Tokamak |
| SIFT | Selected Ion Flow Tube |
| BAEP | Brainstem Auditory Evoked Potentials |