| Acronym | Meaning |
| CPC | Centrifugal Partition Chromatography |
| TPW | Transformed Plane Wave Method |
| ECCI | Electron Channeling Contrast Imaging |
| MVFF | Modified Valence Force Field |
| SPLITT | Split-flow Thin [fractionation] |
| FRS | Forward Recoil Spectrometry |
| IVAP | Intimate Valence Alternation Pairs (bonding Model In Electronic Structure Calcns.) |
| MCPA | Molecular Coherent-potential Approximation |
| SIIMS | Secondary Ion Imaging Mass Spectrometry |
| HWIR | Hazardous Waste Identification Rule |