| Acronym | Meaning |
| TALMS | Tunable Atomic Line Molecular Spectroscopy |
| TOCOEN | Toxic Organic Compounds In The Environment (research Project In Czechoslovakia) |
| TVD | Total Variation Diminishing |
| COCI | Committee On Chemistry And Industry (IUPAC) |
| PATOLIS | Patent Online Information System |
| MCE | Magnetocaloric Effect |
| MMR | Mismatch Repair |
| STAS | Scientific And Technical Attribute And Element Set |
| SPA | Shielded-potential Approxn. (in Electronic Structure) |
| SOLSTICE | Solar Stellar Irradiance Comparison Experiment |