| Acronym | Meaning |
| HYSCORE | Hyperfine Sublevel Correlation Spectroscopy |
| UNECE | United Nations Economic Commission For Europe |
| MCS | Monte Carlo Simulation |
| CIS | Chemical Information System |
| MVMA | Motor Vehicle Manufactures Association |
| NACCHO | National Association Of County And City Health Officials |
| FOLIBS | Fiber Optic Laser Induced Breakdown Spectroscopy |
| SCRI | Steel Can Recycling Institute |
| MBESO | Maximum Bond Energy Symmetry Orbital |
| TNOA | Target Natural Orbital Approximation |