| Acronym | Meaning |
| CVA-MO | Core-valence Approxn.-MO (for At. Integral Calcns.) |
| WDF | Wigner Distribution Function (in Study Of Quantum Dynamics) |
| NCE | New Chemical Entity |
| COV | Coefficient Of Variation |
| FTHF | Finite-temperature Hartree-Fock |
| GDO | Generalized Diatomic Orbital |
| MCPN | Matrix Coherent Potential Approximation |
| CWTC | Chemical Waste Transportation Council |
| ENCAT | Epoxy Nucleophile Catalyzed Transesterification |
| PTD | Probable Toxic Dose |