| Acronym | Meaning |
| MIOSA | Modified (rotational) Infinite Order Sudden Approxn. |
| VSEPR | Valence-shell Electron-pair Repulsion |
| ORI | Octane Requirement Increase |
| DCS | Distributed Control System |
| FGSE | Field-gradient Spin-echo |
| TDOPM | Time-dependent Optimized Potential Method |
| CFB | Circulating Fluidized Bed |
| IMAGE | Integrated Molecular Analysis Of Gene Expression |
| GPF | Gaussian Polarization Function |
| OU | Odor Units |