| Acronym | Meaning |
| BCCD | Betaine Calcium Chloride Dihydrate |
| NCRPM | National Council On Radiation Protection And Measurements |
| INID | Internationally Agreed Numbers For The Identification Of Data |
| UEBS | Unitarized Eikonal Born Series (in Electron-atom Scattering) |
| CEARC | Canadian Environmental Assessment Research Council |
| NFAT | Nuclear Factor For Activated T Cells |
| STE | Self-trapped Exciton |
| AISIT | Automatic Intelligent Sampler For Inorganic Trace Constituents |
| GAMETAG | Global Atmospheric Measurements Experiment Of Tropospheric Aerosols And Gases |
| PAPP-A | Pregnancy-associated Plasma Protein A |