| Acronym | Meaning |
| CSA | Coupled States Approxn. |
| NGL | Natural Gas Liquid (usually Ethane Or Propane) |
| HRC | Rockwell Hardness (C Scale) |
| SBE | Sulfobutyl Ether |
| SVC | Saturated Vapor Concentration (air Sampling) |
| EMLC | Electrochemically Modulated Liquid Chromatography |
| (SC)2(CI+PT2) | Self-consistent Size-consistent (CI+second-order Perturbation) |
| HLLW | High Level Liquid Waste |
| LEP | Large Electron-Positron Collider |
| FLIM | Fluorescence Lifetime Imaging Microscopy |