| Acronym | Meaning |
| FVEH | Fragment Valence Effective Hamiltonian (in Electronic-structure Calcns. On Mol. Fragments) |
| GIWA | Global International Waters Assessment |
| FCCP | Trifluoromethoxy Carbonylcyanide Phenylhydrazone |
| FLASH | Fast Low-angle Shot (NMR Imaging) |
| TCLE | Thermal Coefficient Of Linear Expansion |
| EO | Ethylene Oxide |
| PIHMC | Path Integral Hybrid Monte Carlo |
| DART | Developmental And Reproductive Toxicology Database (NLM) |
| MOVBET | Molecular Orbital (into) Valence Bond Exponential Transformation |
| MPSS | Massively Parallel Signature Sequencing |