| Acronym | Meaning |
| CCSOP | Close-coupling Second-order Potential (in Scattering) |
| NTEF | Near Total External Fluorescence |
| WATOX | Western Atlantic Ocean Experiment |
| DECSY | Double-quantum Coherence Echo Correlated Spectroscopy |
| HVLP | High-volume Low Pressure [spray Gun] |
| CCSDTQP | CCSDTQ (and) Pentuple (excitations) |
| EICVOM | Equivalent Ionic Core Virtual Orbital Model |
| CTE | Charge-transfer Efficiency |
| HMIMS | Hazardous Materials Incident Management System |
| DNO | Delocalized Natural Orbital |