GRAS
| Acronym | Definition |
|---|---|
| GRAS | Generally Recognized As Safe |
| GRAS | Generally Regarded As Safe |
| GRAS | GNSS (combined GPS and GLONASS positioning systems) Receiver for Atmospheric Sounding |
| GRAS | Global Rent-a-Scope (various locations) |
| GRAS | Ground-based Regional Augmentation System (Australia) |
| GRAS | Grüne und Alternative Studentinnen (Austrian Green Student's Party) |
| GRAS | Groupe de Recherche et d'Action pour la Santé |