| Acronym | Definition |
|---|
| GBAS➣Ground Based Augmentation System (see also Space Based Augmentation System for GPS) |
| GBAS➣Give Back A Smile (charitable foundaton of the American Academy of Cosmetic Dentistry program) |
| GBAS➣Group Benefits Administration System (software) |
| GBAS➣General Bezel Assembling Standard |
| GBAS➣Glovebox Assay System |
| GBAS➣Guilt By Association Syndrome |