| Acronym | Meaning |
| MCP | Model Core Potential |
| RNO | Reaction Natural Orbital |
| CPFD | Coupled-pair Functional With Double Excitation |
| SEDOR | Spin-echo Double Resonance |
| GHR | Growth Hormone Receptor |
| GPD | Gallons Per Day |
| PMDL | Practical Method Detection Limit |
| EINP | Energy-independent Nonlocal Pseudopotential |
| TNVOX | Total Nonvolatile Org. Halogen Compds. |
| SIDAMS | Simultaneous Ion Detection In Atmospheric Mass Spectrometry |