| Acronym | Meaning |
| SBZ | Surface Brillouin Zone |
| PPB | Parts Per Billion |
| SCC | Somatic Cell Count |
| SEDAC | Socioeconomic Data And Applications Center |
| ESEM | Environmental Scanning Electron Microscopy |
| CPBA | Coulomb-projected Born Approximation |
| NO | Natural Orbital |
| FCV | Feline Calicivirus |
| EHEC | Enterohemorrhagic Escherichia Coli |
| SSC | Sudden Storm Commencement (magnetic Storm) |