| Acronym | Meaning |
| ARUPS | Angle-resolved Ultraviolet Photoelectron Spectroscopy |
| CASV-MC-SCF | Complete Active Space Valence Space-multiconfiguration-SCF |
| RUP | Restricted Use Pesticide |
| AOX | Adsorbable Organohalogens |
| AIHC | American Industrial Health Council |
| PARS | Photoacoustic Raman Spectroscopy |
| CCF | Correlation Crystal Field |
| CISC | Configuration Interaction (with) Size-consistency (correction) |
| PCF | Plasma Centrifugal Furnace |
| WQI | Water Quality Index |