| Acronym | Meaning |
| QUASAR | Quality Simulation Along Rivers (environmental Model) |
| TOGA | Tropical Oceans And Global Atmosphere |
| NOS | Nitric Oxide Synthase |
| IMHEX | Internally Manifolded Heat Exchanger (molten Carbonate Fuel Cell Design) |
| SIP | State Implementation Plan |
| SE | Standard Error |
| SCC | Somatic Cell Count |
| TRNA | Transfer Ribonucleic Acid |
| CSPA | Cold Shock Protein A |
| GFMC | Green Function Monte Carlo (quantum Method) |