| Acronym | Meaning |
| CCR | Complex Coordinate Rotation (method For Calcns. Of Resonances In Scattering) |
| HVEM | Herpesvirus Entry Mediator |
| HSL | Hazardous Substance List |
| OPLC | Overpressured Layer Chromatography |
| HDF | Human Dermal Fibroblast |
| UFL | Upper Flammable Limit |
| FAO | Food And Agriculture Organization |
| SMS | Single Molecule Spectroscopy |
| WPCF | Water Pollution Control Federation |
| FEBO | Free Energy Born-Oppenheimer |