| Acronym | Meaning |
| IDIMS | Interactive Digital Image Manipulation System |
| WWCOT | Whisker Wall Coated Open Tubular Column |
| MOVB | MO-valence Bond |
| EGO | Ellipsoidal Gaussian Orbital |
| DCFCI | Density-constrained Full-configuration-interaction |
| TBM | Thyssen Blowing Metallurgy |
| 2PPE | Two-photon Photoemission |
| IEE | Institution Of Electrical Engineers |
| FDMS | Field-desorption Mass Spectrometry |
| DIM-3C | Diatomics-in-mols. Method Including 3-center Terms (integrals) |