| Acronym | Meaning |
| BSSE | Basis-set Superposition Error |
| WERC | Waste-management Education & Research Consortium |
| RVB | Resonating Valence Bond (theory Of High-tc Superconductors) |
| HFE | Hot-feed Extrusion |
| GCHF | Generator Coordinate Hartree-Fock |
| SCRP | Specific Chelation |
| TOA | Thermooptical Analysis |
| TST | Transition State Theory |
| BIOSIS | BioSciences Information Service |
| HED | Howardite-eucrite-diogenite (suite Of Achondrite Meteorites) |