| Acronym | Meaning |
| LIBD | Laser-induced Breakdown Detection |
| VGP | Virtual Geomagnetic Pole |
| ASSIST | Abstract Semi-Markov Specification Interface To The SURE Tool [propulsion] |
| EQE | Equivalent Quantum Efficiency |
| MODESC | Magnetooptically Detected Spin Conversion Spectroscopy |
| CTM | Conditional Test Method |
| PVB | Projected Valence Bond |
| BOREAS | Boreal Ecosystem - Atmosphere Exchange Study |
| TMDL | Total Maximum Daily Load |
| HEATRT | Heat Rate [EPRI Software] |