| Acronym | Meaning |
| CAFNA | Coded Aperture Fast Neutron Analysis |
| MCRT | Mean Cell Residence Time |
| CAMU | Corrective Action Management Unit |
| DWPI | Derwent World Patents Index |
| DME | Dropping Mercury Electrode |
| CEIC | Caribbean Environmental Information Center |
| PDR | Photon-dominated Region |
| BMAP | Biological Monitoring And Abatement Program |
| PHF | Perturbative Hartree-Fock |
| ABWAG | Abwasserabgabengestres (Germany Wastewater Discharge Law Regulates Cost Per Volume) |