| Acronym | Meaning |
| DID | Dipole-induced-dipole (in Mol. Polarizabilities Calcn.) |
| CNDO/2D | Complete Neglect Of Differential Overlap With Deorthogonalization |
| COP | Crystal Originated Particle |
| CHA | Chemical Hamiltonian Approach |
| DOP | Dissolved Organic Phosphorus |
| HNPCC | Hereditary Nonpolyposis Colorectal Carcinoma |
| ALS | Antilymphocyte Serum |
| LGFSTF | Liquefied Gaseous Fuels Spill Test Facility (DOE Mercury |
| MEF | Mouse Embryonic Fibroblast |
| RFE | Relative Fit Error |