| Acronym | Meaning |
| LEL | Lower Explosion Limit |
| RGC | Retinal Ganglion Cell |
| MPC | Maximum Permissible Concentration |
| WQAS | Water Quality Analysis System (file Within STORET) |
| LQR | Linear Quadratic Regulator |
| IFFE | Immune Free Flow Electrophoresis |
| TC/MS | Thermal Chromatography/mass Spectrometry |
| ARGOS | Advanced Research And Global Observation Satellite |
| PGR | Plant Growth Regulator |
| EESOP | Electronegativity Equalization With S-orbital Participation |