| Acronym | Meaning |
| IETS | Inelastic Electron Tunneling Spectroscopy |
| PFC | Polarized Frozen Core Approximation |
| VFD | Vacuum Fluorescent Display |
| RSKERL | Robert S. Kerr Environmental Research Laboratory |
| GEMS | Graphical Exposure Modeling System |
| ADIS | Advanced Drilling Information System [petroleum] |
| ITRM | Inverse Thermoremanent Magnetization |
| PNGV | Partnership For A New Generation Of Vehicles |
| ISMAR | International Society Of Magnetic Resonance |
| IES | Internal Eliminated Sequence |