| Acronym | Meaning |
| DIC | Differential Interference Contrast |
| IRP | Installation Restoration Program |
| AFVC | Absorption Freeze Vapor Compression |
| CNDO/SWW | Complete Neglect Of Differential Overlap/ Sichel-Whitehead-Wratten Parametrization |
| NRT | National Response Team |
| ICPIC | International Cleaner Production Information Clearinghouse |
| FOB | Fecal Occult Blood |
| ASF | Atomic Sensitivity Factor |
| TDMF | Time-dependent Mean Field |
| IUMS | International Union Of Microbiological Societies |