| Acronym | Meaning |
| CCSDTQP | CCSDTQ (and) Pentuple (excitations) |
| EGFP | Enhanced Green Fluorescent Protein |
| NBS | Nuclear Backscattering Spectroscopy |
| HKF | Helgeson-Kirkham-Flowers (equation Of State) |
| CGTO | Cartesian Gaussian-type Orbital |
| MIC | Microwave Integrated Circuit |
| PAFT | Program For Alternative Fluorocarbon Toxicology Testing |
| GCTM | Global Chemical Transport Model |
| RLV | Reusable Launch Vehicles (aeronautics) |
| FSR | Fixed Salt Recovery (in Regeneration Of Blowdown From HCN Scrubber) |