| Acronym | Meaning |
| EFTC | European Fluorocarbon Technical Committee |
| VCC-IOS | Vibrational Close-coupling-(rotational) Infinite-order Sudden (for Inelastic Mol. Collisions Calcns.) |
| STCA | Simplified Traveling-cluster Approxn. (for Electronic Structure) |
| SSRI | Selective Serotonin Reuptake Inhibitor |
| RTRP | Reinforced Thermosetting Resin Pipe |
| EDSTAC | Endocrine Disruptor Screening And Testing Advisory Committee |
| PMT | Photomultiplier Tube |
| PRINS | Primed In Situ DNA Synthesis |
| DCS | Distributed Control System |
| DARPA | Defense Advanced Research Projects Agency (Department Of Defense) |