| Acronym | Meaning |
| TH | Total Hardness [of Water] |
| HIT | Heterojunction With Intrinsic Thin Layer (photovoltaic Cell; Solar Cell) |
| MIF | Migration Inhibitory Factor |
| SAIM | Scaled Atoms-in-molecules |
| ISAM | Ionically Self-assembled Monolayer |
| GEO | Gene Expression Omnibus |
| VAMAS | Versailles Project On Advanced Materials And Stds. |
| TRDS | Text Retrieval Data System |
| CATSI | Compact Atmospheric Sounding Interferometer |
| RECP-CVC | Relativistic Effective-core Potential With Core-valence Correlation |