| Acronym | Meaning |
| ERC | Emissions Reduction Credit |
| RLS | Resonance Light Scattering |
| SI | State Interaction Method |
| ATOFMS | Aerosol Time-of-flight Mass Spectrometry |
| ICC | Ignition Control Compound |
| TPRRS | Transient Photoinduced Resonant Raman Scattering |
| AGNIC | Agriculture Network Information Center |
| UVAS | UV Absorption Spectroscopy |
| RLMTO | Relativistic Linear Muffin-tin Orbital |
| MAPK | Mitogen-activated Protein Kinase |