| Acronym | Meaning |
| SREL | Savannah River Ecology Laboratory |
| DSN | Deep Space Network |
| PGF | Pseudo Green Function |
| HILIC | Hydrophilic Interaction Chromatography |
| HFG | Hartree-Fock-Gopinathan (quantum Theory Or Wave Function) |
| UCM | Unresolved Complex Mixt. |
| ENR | Endogenous Nitrate Respiration |
| TERA | Toxicology Excellence For Risk Assessment |
| BOFS | Biogeochemical Ocean Flux Study (UK) |
| ASIS | American Society For Information Science |