| 释义 |
- Businesses
- Computing
- Entertainment
- Medicine
- People
- Places
- Religion
- Science
- Sport
- Titles
- Other uses
- See also
{{Selfref|On Wikipedia, OS may refer to Oversight}}{{wiktionary|OS|Os|os}}OS, O.S., Os, O's, or os may refer to: {{TOC right}} Businesses - 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
- OutSystems, multinational software company which operates in the agile software development market
Computing - Operating system, computer system software that manages the hardware and software of a computer
- Open source (disambiguation)
- OpenStack, a software platform for cloud computing
Entertainment - "Os" (Fringe), an episode of the television show Fringe
- Outlaw Star, a manga and anime series
Medicine - Oculus sinister, meaning "left eye" in general ophthalmologic or optometric usage, particularly in eyeglass prescriptions
- Ohtahara syndrome, a brain disorder
- Overall survival rate, a cancer survival statistic
- ostium, in medicine, a mouth or external opening, in particular:
- 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
People - 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
Places - Os, Hedmark, a municipality in Hedmark county, Norway
- Os, Hordaland, a municipality in Hordaland county, Norway
- Oś, Kluczbork County, a village in Kluczbork County, Opole Voivodeship, Poland
- Os, Värnamo, a village in Värnamo Municipality, Småland province, Sweden
- Os, Østfold, a parish in Rakkestad municipality in Østfold county, Norway
- Os Church, a name for several churches in Norway
- Osiedle (Os.), a Polish term used for housing subdivisions in Poland
- OS, ICAO code for airports in Syria
Religion - 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
Science - Ocean Science (journal), an oceanographic journal
- Osmium, a chemical element (symbol Os)
Sport - 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
Titles - 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 uses - Ōs (rune) (ᚩ), a rune of the Anglo-Saxon fuþorc
- Old Style (O.S.) date, indicating use of the Julian Calendar, as opposed to "N.S." (new style) indicating use of the Gregorian Calendar
- Ossetic language (ISO 639-1 abbreviation OS)
- Object sexuality, sexual attraction to inanimate objects
- Oral sex
See also - 0S (disambiguation)
- ÖS (disambiguation)
- Oz (disambiguation)
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