| Acronym | Meaning |
| CHEST | Combined Higher Education Software Team |
| TRS | Transverse Rupture Strength |
| RIM | Reaction-injection Molding |
| IMPROVE | Interagency Monitoring For Protected Visual Environments |
| NFT | Neurofibrillary Tangle |
| NRDA | Natural Resource Damage Assessment |
| SCSA | Small-curvature Semiclassical Adiabatic (approxn. For Mol. Energy Levels) |
| GDE | General Dynamic Equation |
| AUBF | Anaerobic Upflow Biofilter |
| OTC | Ozone Transport Commission |