| Acronym | Meaning |
| CVT | Canonical Variational Transition-state (theory) |
| STN | Super Twisted Nematic |
| ASAS | Advanced Solid State Array Spectrometer |
| PIAS | Photon-counting Image Acquisition System |
| RIMS | Resonance Ionization Mass Spectrometry |
| IDA | Interdigitated Array (microelectrodes) |
| MDC | Maxwell Displacement Current |
| ROBK2 | Relativistic Second-order Oppenheimer-Brinkman-Kramers (in Ion-scattering Calcns.) |
| IPAA | Instrumental Photon Activation Analysis |
| UNO | Unrestricted Natural Orbital |