Template:For Template:Sister project OS, O.S., Os, O's, or os may refer to:
ComputingEdit
- Operating system, computer system software that manages the hardware and software of a computer
- Open source (disambiguation)
- OpenStack, a software platform for cloud computing
MedicineEdit
- os, a bone in french
- os or ostium, a mouth or mouth-like opening
- external os, the external orifice of the uterus
- internal os, the internal orifice of the uterus
- per os, meaning "ingestion by mouth"
- os or ostium, the opening of a coronary artery
- O.S. or OS, oculus sinister, meaning "left eye" in general ophthalmologic or optometric usage, particularly in eyeglass prescriptions (deprecated abbreviation)
- Ohtahara syndrome, a brain disorder
- Overall survival rate, a cancer survival statistic
- Oneiroid syndrome, a dreamlike fantastic delusional state
PeopleEdit
- Alexander Os (born 1980), a Norwegian biathlete
- Os du Randt (born 1972), a South African rugby player
- Os Guinness (born 1941), an English author and social critic
PlacesEdit
NorwayEdit
- Os Municipality (Innlandet), a municipality in Innlandet county, Norway
- Os Municipality (Hordaland), a former municipality in the old Hordaland county, Norway
- Os i Østerdalen, a village within Os Municipality in Innlandet county, Norway
- Os, Østfold, a parish in Rakkestad Municipality in Østfold county, Norway
- Os Church, a name for several churches in Norway
PolandEdit
- Oś, Kluczbork County, a village in Kluczbork County, Opole Voivodeship, Poland
- Osiedle (Os.), a Polish term used for housing subdivisions in Poland
GermanyEdit
- Opavian Silesia, a historical subregion of Silesia (Upper Silesia) in the Czech Republic
Other placesEdit
- Os, Värnamo, a village in Värnamo Municipality, Småland province, Sweden
- OS, ICAO code for airports in Syria
- OS, WMO country code for Austria
ReligionEdit
- Ōs, an Old English word denoting a god in Anglo-Saxon paganism, related to æsir
- O.S., Order of Santiago, a Spanish order dedicated to St James the Greater
- O.S., Order of Sikatuna, the national order of diplomatic merit of the Philippines
ScienceEdit
- Ocean Science (journal), an oceanographic journal
- Osmium, symbol Os, a chemical element
BusinessesEdit
- Ordnance Survey, national mapping agency of Great Britain
- Austrian Airlines (IATA code OS based on its original name: Österreichische Luftverkehrs AG)
- O.S. Engines, a Japanese manufacturer of model aircraft engines
EntertainmentEdit
- "Os" (Fringe), an episode of the television show Fringe
- Outlaw Star, a manga and anime series
- Prompt corner, OS, opposite prompt or stage right in a theatre
SportEdit
- Ohio State Buckeyes, a group of collegiate teams representing The Ohio State University
- Os TF, a sports club in Os, Norway
- On-sight climbing, an ascent of a rock climbing route on the first attempt
- Baltimore Orioles, an American baseball team nicknamed "O's"
- Leyton Orient, an English football (soccer) team nicknamed "O's"
TitlesEdit
- Ordinary seaman, an unlicensed member of the deck department of a merchant ship
- Ordnance sergeant, an enlisted rank in the U.S. and Confederate armies during the American Civil War era
- Old Shirburnian, used by alumni of Sherborne School
- Old Stonyhurst, used by alumni of Stonyhurst College
Other usesEdit
- Esker, also os, a long, winding ridge of sand and gravel in (formerly) glaciated regions
- Ōs (rune) (ᚩ), a rune of the Anglo-Saxon fuþorc
- Old Style (O.S.) date, indicating use of an earlier calendar (in Anglophone countries, the Julian Calendar), as opposed to "N.S." (new style), usually indicating use of the Gregorian Calendar
- Ossetic language (ISO 639-1 abbreviation OS)
- Object sexuality, sexual attraction to inanimate objects
- Oral sex