| Acronym | Meaning |
| EDF/ DER | Electricit? De France/ Direccion Des Etudes Et Recherche |
| STS | Space Transportation System |
| ARC | Accelerating Rate Calorimetry |
| PPTV | Parts Per Trillion (by Volume) |
| UIPPA | See IUPAP |
| ISTS | Institute For Space And Terrestrial Science |
| DWB | Developers Workbench |
| IERS | International Earth Rotation Service |
| MR | Management Reserve |
| OSV | Ocean Station Vessel |