| Acronym | Meaning |
| STMCTDHF | Spin-tensor Multiconfigurational Time-dependent Hartree-Fock |
| CASE | Computer Assisted Structure Elucidation |
| TSAE | Two-state Atomic Expansion (model For Atom-ion Collisions) |
| TEC | Thermal Expansion Coefficient |
| SEN | Submerged Entry Nozzle |
| LSM | Loop Sampling Mode |
| NATO | North Atlantic Treaty Organization |
| MEDLARS | Medical Literature Analysis And Retrieval System (NLM) |
| FRAT | Free Radical Assay Technique |
| GCC | Global Climate Coalition |