| Acronym | Meaning |
| SSMBE | Solid Source Molecular Beam Epitaxy |
| OOS | Optical-oscillator Strength |
| MED | Minimal Erythema Dose |
| HSDI | High-speed Direct Injection (of Diesel Engines) |
| PLFA | Phospholipid Fatty Acid |
| SPT | Selective Polarization-transfer |
| UNFCCC | United Nations Framework Convention On Climate Change |
| CIIR | Chlorinated Isobutylene-isoprene Rubber |
| RBM | Rigid Band Model |
| ORM | Other Regulated Material (DOT) |