| Acronym | Meaning |
| PEMA | Pseudoeffective Mass Approxn. (for Impurity Energy Levels In Semiconductors) |
| B1B | (coulomb) Boundary-corrected First Born (for Scattering) |
| CFHH | Correlation-function Hyperspherical Harmonic (method For Calcn. Of Wave Functions) |
| ICTAC | International Confederation For Thermal Analysis And Calorimetry |
| LCCD | Linear Coupled-cluster (method With) Double (excitations) |
| OMNMHCE | Organic Material Nonmethane Hydrocarbon Equivalent |
| FGF | Fibroblast Growth Factor |
| AVO | Average Virtual Orbital |
| RSK | Ribosomal S6 Kinase |
| TFW | Thomas-Fermi-Weizsaecker (electron-d. Theory) |