| Acronym | Meaning |
| CAK | Cdk-activating Kinase |
| SEDAC | Socioeconomic Data And Applications Center |
| DZD | (double Zeta)-diffuse (basis Set In Configuration-mixing MO Calcns. On Mols.) |
| PDF | Pair Distribution Function |
| HEEPS | Health And Environmental Effects Profiles |
| SAT | Sulfuric Acid Trihydrate (polar Stratosphere Cloud Aerosol) |
| QPM | Quasiparticle Phonon Model |
| GPHS | General Purpose Heat Source |
| TRES | Time-resolved Emission Spectroscopy |
| MET | Many Electron Theory (for Singlet Ground State) |