| Acronym | Meaning |
| CMO | Complex Molecular Orbital Method |
| PMF | Proton Motive Force |
| SCCF | Spin-correlated Crystal Field |
| ACT | Activated Complex Theory |
| BMP | Bone Morphogenetic Proteins |
| TS | Transition State |
| STEP | Soil Treatment Evaluation Program |
| TLHJ | Triple-layer Heterojunction |
| EGW | Electrogas Welding |
| CSIN | Chemical Substance Information Network |