| Acronym | Meaning |
| SCPF | Self-consistent Polarization Field Method |
| ECCLS | European Committee For Clinical Laboratory Standards |
| ROSH | Registry Of Occupational Safety And Health |
| ZIA | Zone Immunoassay |
| OEMO | One Electron Molecular Orbital |
| CELFA | Composition Evaluation By Lattice Fringe Analysis |
| MS | Multiple Scattering |
| NAWDEX | National Water Data Exchange |
| REMCO | ISO Council Committee On Reference Materials |
| RDQ | Reduced-dimensionality Quantum (calcn. Method) |