| Acronym | Meaning |
| PMR | Proportional Mortality Ratio |
| LNB | Low Nitrogen Oxide Burner |
| NCS | Notification Of Compliance Status |
| APEX | Active Plasma Experiment Satellite |
| SEE | Secondary Electron Emission |
| SOLO | Second-order Correlated Localized Orbital-local Origin (method) |
| PMDA | Pyromellitic Dianhydride |
| SHIRE | Southern Hemisphere Infrared Experiment |
| LPIC | Low Pressure Ion Chromatography |
| ALE | Atomic Layer Epitaxy |