| Acronym | Meaning |
| IDMA | Isotopic Dilution And Mass Analysis |
| MP4(SDTQ) | Moeller-Plesset (perturbation Theory To) 4th Order With Single |
| SHEED | Scanning High-energy Electron Diffraction |
| GMP | Generalized Moeller-Plesset (perturbation Theory) |
| MCL | Maximum Contaminant Level |
| SCMPS | Spin-corrected Moeller-Plesset Nth-order |
| CIESE | Combined Ion Exchange-solvent Extraction |
| ERMS | Energy Resolved Mass Spectrometry |
| LRMS | Low Resolution Mass Spectrometry |
| LRCI | Low-rank Configuration Interaction |