| Acronym | Meaning |
| FPEIS | Fine Particulate Emissions Information System |
| AIM | Atoms In Molecules Method |
| INCRA | International Cooper Research Association |
| MORBID | Morse Oscillator-rigid Bender Internal Dynamics (hamiltonianin Rotational-vibrational Energy Levels Calcn.) |
| MOX | Mixed Oxide |
| QMCRG | Quantum Monte-Carlo Renormalization Group (for Quantum Phase Transitions) |
| OCEC | Open-channel Electrochromatography |
| BDAT | Best Demonstrated Available Technology |
| PEANUT | Phase-inverted Echo-amplitude Detected Nutation |
| CMV | Cucumber Mosaic Virus |