| Acronym | Meaning |
| RACT | Reasonably Available Control Technology |
| ASGP | Aerobic Suspended Growth Process |
| DHFR | Dihydrofolate Reductase |
| ERT | Estrogen Replacement Therapy |
| GALEX | Galaxy Evolution Explorer |
| GHSV | Gas Hourly Space Velocity |
| FCG | Fatigue Crack Growth |
| ESDIM | Earth System Data And Information Management |
| LLT | Laser Luminescence Tomography |
| GMP | Generalized Moeller-Plesset (perturbation Theory) |