| Acronym | Meaning |
| ERDAS | Earth Resource Data Analysis System |
| MODPOT | Model Potential |
| IETS | Inelastic Electron Tunneling Spectroscopy |
| EQS | Environmental Quality Standard |
| DECODE | Dipolar Echo Decay |
| LNG | Liquefied Natural Gas |
| IITA | Information Infrastructure Technology And Applications |
| MCLR | Multiconfigurational Linear Response (an MC-SCF Method) |
| GALEX | Galaxy Evolution Explorer |
| APWP | Apparent Polar Wander Path |