| Acronym | Meaning |
| HWM | Hazardous Waste Management |
| TICT | Twisted Intramolecular Charge Transfer |
| CHIRP | Core-hole Initiated Relaxation Process (in Ionic Crystals) |
| ENAMAP | Eastern North American Model Of Air Pollution |
| MEHT | Modified Extended Hueckel Theory |
| NOMAD | Neutrino Oscillation MAgnetic Detector |
| MPLC | Medium Pressure Liquid Chromatography |
| PCL | Phase Conjugate Laser |
| PHD | P-helicity Decoupling Scheme (p=momentum) |
| ND | Nitrification Denitrification |