| Acronym | Meaning |
| BCM | Bond Charge Model (in Force Constants Calcn.) |
| PAG | Periaqueductal Gray |
| ACF | Autocorrelation Function |
| CDD | Chlorinated Dibenzo-p-dioxin |
| MDBK | Madin-Darby Bovine Kidney |
| MDI | Modified Dipole Interaction(model For Mol.-polarizability Calcn.) |
| HWSFC | Hazardous Waste Superfund Collection |
| APT | Atomic Polar Tensor (in Ir Spectra Calcn.) |
| CZCS | Coastal Zone Color Scanner |
| AE-CI | All Electron-configuration Interaction |