| Acronym | Meaning |
| CTP | Cytidine 5'-triphosphate |
| GRNN | Generalized Regression Neural Network |
| LOI | Loss Of Imprinting |
| DSW | Dirac Scattered-wave (often As SCF-X(alpha)-DSW Method) |
| RTECS | Registry Of Toxic Effects Of Chemical Substances (NLM) |
| MRFM | Magnetic Resonance Force Microscope |
| EDF | Energy Density Functional (theory In Electronic-property Calcn.) |
| ESR | Electron Spin Resonance |
| SCM | Shell-correction Method (in Calcns. For Metal Clusters) |
| HKS | Hartree-Kohn-Sham (quantum Theory) |