| Acronym | Meaning |
| LEGO | Lean Exhaust Gas Oxygen Sensor |
| FIB | Focused Ion Beam |
| BLR | Broad Line Region |
| FES | Field Emission Spectroscopy |
| SIM | Selected Ion Monitoring |
| HED | Howardite-eucrite-diogenite (suite Of Achondrite Meteorites) |
| PTK | Protein Tyrosine Kinase |
| STEAM | Stimulated Echo Acquisition Mode |
| BOC-MP | Bond Order Conservation-morse Potential |
| ALCA | American Leather Chemists' Association |