| Acronym | Meaning |
| FP | Plasma Frequency |
| ELI | Environmental Law Institute |
| NIST | National Institute Of Standards And Technology |
| WPM | Well-Posed Model |
| AMC | Appraisal Management Center |
| ISBN | International Standard Book Number |
| MCV | Mesoscale Cyclonic Vortex |
| TING | Thermosphere-Ionosphere Nested Grid Model |
| TGS | Text And Graphics System |
| ASTM | American Society For Testing Materials |