| Acronym | Meaning |
| ITDHO | Improved Time-dependent Harmonic Oscillator |
| PAK | P21-Activated Kinase |
| ESG | Electronic Specialty Gases |
| CBS-FCI | Complete Basis Set-full Configuration Interaction |
| MBTS | 2-mercaptobenzothiazyl Disulfide |
| CCDW | Coupled-channel Distorted-wave (quantum Method) |
| T-GAS | Trace Gas Accounting System |
| SPEMC-SCF | Selected Paired Excitational Expansion Multiconfiguration-SCF |
| SULEV | Super Ultra-low Emission Vehicle |
| LCO | Light Cycle Oil |