| Acronym | Definition |
|---|
| OSX➣Osterix (bone formation) |
| OSX➣Operating System Extended |
| OSX➣Open Source Software |
| OSX➣Oil Service Index |
| OSX➣Macintosh Operating System X (Apple Computer, Inc.) |
| OSX➣Operating System Extension (software) |
| OSX➣Oat Spelt Xylan |
| OSX➣Opitz Syndrome, X-Linked |
| OSX➣Optical Signal Crossconnect (telecommunications) |