| Acronym | Meaning |
| FTHF | Finite-temperature Hartree-Fock |
| PMF | Positive Matrix Factorization |
| LPA | Linear Polyacrylamide |
| KASIMA | Karlsruhe Simulation Model Of The Middle Atmosphere |
| CIIT | Chemical Industry Institute Of Toxicology |
| VEH | Valence Effective Hamiltonian Method (for Electronic Structure) |
| OCBSE | Orthogonality Constrained Basis Set Expansion Prodedure |
| LIT | Linear Ion Trap |
| TOTE | Tropical Ozone Transport Experiment |
| GIXS | Grazing Incidence X-ray Scattering |