| Acronym | Meaning |
| MEG | Modified Electron Gas (quantum Calcn. Method) |
| PCET | Proton-coupled Electron Transfer |
| VU-LCC | Valence-universal-linear Coupled Cluster |
| CAICISS | Coaxial Impact Collision Ion Scattering Spectroscopy |
| NDA | Nondestructive Assay |
| TLHJ | Triple-layer Heterojunction |
| PAGE | Polyacrylamide Gel Electrophoresis |
| KCS | K-matrix Centrifugal Sudden (in Mol.-scattering Theory) |
| EPEN | Empirical Potential (based On Interaction Of) Electrons (and) Nuclei |
| NGDC | National Geophysical Data Center |