OS
From Wikipedia, the free encyclopedia
The os is the external orifice of the uterus; it is the opening at the tip of the cervix which separates the uterus from the vagina.
Os may also refer to:
- Os, Hedmark, a municipality in Norway
- Os, Hordaland, a municipality in Norway
- Os, Østfold, a parish in Norway
- Ōs, and Old English denoting a god in Anglo-Saxon paganism
- Osmium, a chemical element whose symbol is "Os"
- the Ossetic language (ISO 639-1)
- fr|Wiktionary, the French word for "bone"
OS may refer to:
- Oculus Sinister (O.S.)-latin for left eye- used commonly by physicians and pharmacists
- Open Source software
- Operating system, the software that manages the hardware and software of a computer
- Ogawa Seiki (aka O.S. Engine or O.S.), a Japanese manufacturer of model airplane engines
- Ordnance Survey (OS), the national mapping agency for Great Britain
- Open Seat, (aka Open Sabadell Atlantico or OS), a tennis tournament in Barecelona, Spain
- Old Style (OS), a term used in English language historical studies to indicate that a date conforms to the Julian calendar
- The IATA designator for Austrian Airlines
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