| Acronym | Meaning |
| ICBN | International Code Of Botanical Nomenclature |
| ICM | Institute For Crisis Management |
| CDOM | Colored Dissolved Organic Matter |
| UDP | Uridine 5'-diphosphate |
| POHC | Principal Organic Hazardous Constituents |
| FMIT | Fusion Materials Irradiation Test |
| DLD | Decoupled L-dominant Method (in Inelastic-scattering Calcns. |
| HIPRE | High Internal Phase Ratio Emulsion |
| URG | Umweltrahmengesetz (German Environmental Protection Framework Law) |
| PRP | Potentially Responsible Party (Superfund) |