| Acronym | Meaning |
| CCMET | Coupled-cluster Many-electron Theory |
| XCC | Expectation-value Coupled-cluster (in Correlation Energies And Electronic Properties Of Many-electron Systems Calcns.) |
| VQP | Variable Quadratic Propagator (in Quantum Calcns.) |
| CDI | Chronic Daily Intakes |
| VOHAP | Volatile Organic Hazardous Air Pollutant |
| CCSD-UED | CCSD-unrelaxed Energy Derivative |
| PDI | Polarization-division Interferometry |
| APD | Azimuthal Photoelectron Diffraction |
| EEXAPS | Electron Excited X-ray Appearance Potential Spectroscopy |
| LCRS | Leachate Collection And Removal System |