| Acronym | Meaning |
| FNMRI | Flow Nuclear Magnetic Resonance Imaging |
| NIST | National Institute Of Standards And Technology (formerly NBS) |
| ESP | Elimination Of Solvation Procedure |
| IPM | Independent Particle Model |
| POLARIS | Photochem. Of Ozone Loss In The Arctic Region In Summer |
| NSTL | Near Surface Transition Layer |
| NICS | Nucleus-independent Chemical Shifts |
| MFP | Mean Free Path |
| LMCT | Ligand-to-metal Charge Transfer |
| SDECI | Singly And Doubly Excited Configuration Interaction |