| Acronym | Meaning |
| PCEM | Point-charge Electrostatic Model |
| SMOW | Standard Mean Ocean Water |
| CSI | Crystal Structure Imaging |
| PIET | Photoinduced Intramolecular Electron Transfer |
| HRELS | High-resolution Electron Energy-loss Spectroscopy |
| LLC | Lyotropic Liquid Crystal |
| CHAPEL | Continuous Hydrogen Analysis By Pressure Evaluation In Liquids |
| CRC | Combined Residual Chlorine |
| PTX | Pertussis Toxin |
| EERF | Eastern Environmental Radiation Facility |