OSX
| 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) |