| Acronym | Meaning |
| MPA | Multipurpose Additive |
| USPIO | Ultrasmall Superparamagnetic Iron Oxide |
| CIDR | Controlled-internal Drug Release |
| RPC | Rotation Planar Chromatography |
| ESD | Electrostatic Discharge |
| MTEL | Maximum Tolerable Exposure Levels |
| PPDS | Physical Property Data Service |
| NSO | Natural Spin Orbitals |
| PET | Potential Evapotranspiration |
| VD-RIOS | Vibrational Diabatic-rotational Infinite Order Sudden |