| Acronym | Meaning |
| CDFT | Chemical-density-functional Theory |
| FIM-APS | Field Ion Microscopy-atom Probe Spectroscopy |
| FECO | Fringes Of Equal Chromatic Order |
| MSHA | Mine Safety And Health Administration (US) |
| SPE | Solid Phase Electrolyte |
| IBSCA | Ion Beam Spectrochemical Analysis |
| GNP | Gross National Product |
| PIC | Products Of Incomplete Combustion |
| IRP | Internal Reflection Photolysis |
| PBL | Planet Boundary Layer (in Atmospheric Chemistry And Physics) |