| Acronym | Meaning |
| GMAD | Geometric Mean Aerodynamic Diameter |
| EMEG | Environmental Media Evaluation Guides |
| PNEC | Predicted No-effect Concentration |
| PMDL | Practical Method Detection Limit |
| JCBN | IUPAC-IUB Joint Commission On Biochemical Nomenclature |
| ASCEND | Advanced System For Computations In Engineering Design |
| MBGF | Many-body Green Function |
| RTV | Room Temperature Vulcanization |
| PTGS | Post-transcriptional Gene Silencing |
| SIEC | Spherical Inertial Electrostatic Confinement |