| Acronym | Meaning |
| VBSCF | Valence Bond Self-consistent Field |
| NAPCA | National Air Pollution Control Administration |
| OES | Optical Emission Spectroscopy |
| CCDPPA | Coupled-cluster With Double Excitation Polarization Propagator |
| ADWIOS | Adiabatic Distorted Wave Infinite Order Sudden |
| ERM | Electron Redistribution Model |
| CODIS | Combined DNA Index System |
| DIPPR | Design Institute For Physical Property Data |
| ECAO | Environmental Criteria And Assessment Office |
| SPIPES | Spin Polarized Inverse Photoemission Spectroscopy |