| Acronym | Meaning |
| LEC | Liquid Encapsulated Czochralski |
| PEYS | Photoelectron Yield Spectroscopy |
| CNDO/IP | Complete Neglect Of Differential Overlap/ionization Potential |
| NLM | National Library Of Medicine |
| TF/SC | Trickling Filter/Solids Contact Process (for Wastewater Treatment) |
| NCRDS | National Coal Resources Data System |
| CSM | Continuum Solvation Model |
| IAWPRC | International Association For Water Pollution Research And Control |
| FET | Field Effect Transistor |
| LSND | Liquid Scintillator Neutrino Detector |