What does O/S stand for?
O/S stands for Organisation/Schmelt (Germany/Poland)
This definition appears very rarely and is found in the following Acronym Finder categories:
- Military and Government
- Organizations, NGOs, schools, universities, etc.
See other definitions of O/S
We have 53 other meanings of O/S in our Acronym Attic
- Other Ranks (various locations)
- Outright (foreign exchange transactions)
- Ocean Surveillance
- on sale
- On Scene
- One Size
- Operating System