OS
Encyclopedia
OS may refer to:
  • O.S. Old Stonyhurst, an old boy of the ancient Jesuit public school, Stonyhurst College
  • O.S. Engines, a Japanese manufacturer of model aircraft engines
  • Ocean Science
    Ocean Science (journal)
    Ocean Science is an open-access peer-reviewed scientific journal published by the European Geosciences Union. It covers all aspects of oceanography. The journal is abstracted and indexed in Scopus, Chemical Abstracts, GeoRef, and Google Scholar...

    , an Oceanographic Journal published by the European Geosciences Union
    European Geosciences Union
    The European Geosciences Union is an interdisciplinary non-profit learned society open to individuals who are professionally engaged in or associated with geosciences, planetary and space sciences, and related studies.The mission statement of the EGU is "Dedicated to the pursuit of excellence in...

    .
  • Oculus sinister, meaning "left eye" in eyeglass prescriptions
  • "Old Style date" (as "O.S."), a date designation indicating derivation from the Julian Calendar
    Julian calendar
    The Julian calendar began in 45 BC as a reform of the Roman calendar by Julius Caesar. It was chosen after consultation with the astronomer Sosigenes of Alexandria and was probably designed to approximate the tropical year .The Julian calendar has a regular year of 365 days divided into 12 months...

    , as opposed to "N.S." indicating derivation from the Gregorian Calendar
    Gregorian calendar
    The Gregorian calendar, also known as the Western calendar, or Christian calendar, is the internationally accepted civil calendar. It was introduced by Pope Gregory XIII, after whom the calendar was named, by a decree signed on 24 February 1582, a papal bull known by its opening words Inter...

     (see Old Style and New Style dates
    Old Style and New Style dates
    Old Style and New Style are used in English language historical studies either to indicate that the start of the Julian year has been adjusted to start on 1 January even though documents written at the time use a different start of year ; or to indicate that a date conforms to the Julian...

    )
  • Open SEAT
    Torneo Godó
    The Barcelona Open also known as Torneo Godó, Trofeo Conde de Godó, Open Banco Sabadell, is an annual tennis tournament for male professional players. The event has been held annually in Barcelona, Spain since 1953, and is played on clay courts. Originally an event of the Grand Prix tennis circuit...

    , a tennis tournament in Barcelona now known as the Torneo Godó
  • Open source
    Open source
    The term open source describes practices in production and development that promote access to the end product's source materials. Some consider open source a philosophy, others consider it a pragmatic methodology...

    , a software development model
  • Operating system
    Operating system
    An operating system is a set of programs that manage computer hardware resources and provide common services for application software. The operating system is the most important type of system software in a computer system...

    , a software that manages the hardware and software of a computer
  • Ordinary Seaman (occupation)
    Ordinary Seaman (occupation)
    An ordinary seaman is an unlicensed member of the deck department of a merchant ship. The position is an apprenticeship to become an able seaman, and has been for centuries...

    , an unlicensed member of the deck department of a merchant ship
  • Ordnance Survey
    Ordnance Survey
    Ordnance Survey , an executive agency and non-ministerial government department of the Government of the United Kingdom, is the national mapping agency for Great Britain, producing maps of Great Britain , and one of the world's largest producers of maps.The name reflects its creation together with...

    , the national mapping agency for Great Britain
  • Ohtahara syndrome
    Ohtahara syndrome
    Ohtahara syndrome , also known as Early Infantile Epileptic Encephalopathy with Burst-Suppression , is a progressive epileptic encephalopathy. The syndrome is outwardly characterized by tonic spasms and partial seizures, and receives its more elaborate name from the pattern of burst activity on an...

    , a brain disorder
  • Opening snap
    Heart click
    With the advent of newer, non-invasive imaging techniques, the origin of other, so-called adventitial sounds or heart clicks has been appreciated...

    , a heart sound present in individuals with AV valve stenosis
  • Outlaw Star
    Outlaw Star
    is a seinen manga series written and illustrated by Takehiko Itō and his affiliated Morning Star Studio. The series is a space opera/Space Western that takes place in the "Toward Stars Era" universe in which spacecraft are capable of traveling faster than the speed of light...

    , a manga and anime series
  • Austrian Airlines
    Austrian Airlines
    Austrian Airlines is the flag carrier airline of Austria, headquartered in Office Park 2 on the grounds of Vienna International Airport in Schwechat, Wien-Umgebung and a subsidiary of Deutsche Lufthansa AG. Together with regional subsidiary Tyrolean Airways and charter arm Lauda Air, it operates...

     (IATA designator)
  • Ossetic language
    Ossetic language
    Ossetian , also sometimes called Ossete, is an East Iranian language spoken in Ossetia, a region on the slopes of the Caucasus Mountains....

     (ISO 639-1 abbreviation)
  • Ordnance Sergeant
    Ordnance Sergeant
    Ordnance Sergeant was an enlisted rank in the U.S. and Confederate armies during the American Civil War era. The Ordnance Sergeant ranks just above a First Sergeant, yet below a Quartermaster Sergeant. The rank insignia consists of three inverted chevrons with a 5-pointed star above it.According...

  • Overall Survival


os may refer to:
  • os, a mouth or external opening (from the Latin), also ostium
    Ostium
    Ostium may refer to:Anatomy*Ostium of Fallopian tube*Ostium primum or foramen ovale of the developing heart*Ostium maxillare of the maxillary sinus*Ostium of female lepidoptera genitalia...

    . In particular:
    • external os, the external orifice of the uterus
      External orifice of the uterus
      The external orifice of the uterus is a small, depressed, somewhat circular aperture on the rounded extremity of the vaginal portion of the cervix. Through this aperture, the cervical cavity communicates with that of the vagina.The external orifice is bounded by two lips, an anterior and a posterior...

    • internal os, the internal orifice of the uterus
      Internal orifice of the uterus
      The internal orifice of the uterus is an interior narrowing of the uterine cavity. It corresponds to a slight constriction known as the isthmus that can be observed on the surface of the uterus about midway between the apex and base.-External links:...

    • os or ostium, the "mouth" of a coronary artery
      Coronary circulation
      Coronary circulation is the circulation of blood in the blood vessels of the heart muscle . The vessels that deliver oxygen-rich blood to the myocardium are known as coronary arteries...



Os may refer to:
  • Os, Hedmark
    Os, Hedmark
    Os is a municipality in Hedmark county, Norway. It is part of the traditional region of Østerdalen. The administrative centre of the municipality is the village of Os i Østerdalen. The new municipality of Os was separated from Tolga on 1 July 1926...

    , a municipality in Norway
  • Os, Hordaland
    Os, Hordaland
    Os is a municipality in the county of Hordaland, Norway. Due to its proximity to Bergen, Os is experiencing strong population growth. -History:...

    , a municipality in Norway
  • Os, Østfold
    Os, Østfold
    Os is one of three parishes in the municipality of Rakkestad in southeastern Norway.The parish was separated from the Tolga clerical district in 1926....

    , a parish in Norway
  • Ōs
    Ass
    Ass may refer to:* The mammal Equus africanus asinus better known as the Donkey** Asinus subgenus* North American English informal term for buttocks* áss, one of the Æsir in Norse mythology* Ass , by Badfinger...

    , in Old English denoting a god in Anglo-Saxon paganism
  • Osmium
    Osmium
    Osmium is a chemical element with the symbol Os and atomic number 76. Osmium is a hard, brittle, blue-gray or blue-blacktransition metal in the platinum family, and is the densest natural element. Osmium is twice as dense as lead. The density of osmium is , slightly greater than that of iridium,...

    , a chemical element whose symbol is "Os"
  • Os du Randt
    Os du Randt
    Jacobus Petrus du Randt, better known as Os du Randt , is a former South African rugby union loosehead prop who retired as the most-capped forward in the history of the Springboks...

     (born 1972), South African rugby player
  • Os Guinness
    Os Guinness
    Os Guinness is an author and social critic.-Biography:Born in China, he is the great-great-great-grandson of Arthur Guinness, the Dublin brewer. He was a witness to the climax of the Chinese revolution in 1949, and returned to England in 1951, where he went to school and college. He received a B.D...

     (born 1941), English author and social critic
  • Oś, Kluczbork County
    Os, Kluczbork County
    Oś is a village in the administrative district of Gmina Lasowice Wielkie, within Kluczbork County, Opole Voivodeship, in south-western Poland.The village has a population of 62.-References:...

    , Poland
  • Osiedle
    Osiedle
    Osiedle is a term used in Poland to denote a designated subdivision of a city or town, or of a dzielnica, with its own council and executive. Like the dzielnica and sołectwo, an osiedle is an auxiliary unit of a gmina. These units are created by decision of the gmina council, and do not have...

    , a name for a housing estate in Poland
  • "Os
    Os (Fringe)
    "Os" is the 16th episode of the third season of the American science fiction drama television series Fringe, and the 59th episode overall. The episode centered around the Fringe team's investigation into a series of robberies of the element osmium, which they connect to a scientist who is able to...

    ", an episode of the television show Fringe
    Fringe (TV series)
    Fringe is an American science fiction television series created by J. J. Abrams, Alex Kurtzman and Roberto Orci. The series follows a Federal Bureau of Investigation "Fringe Division" team based in Boston, Massachusetts under the supervision of Homeland Security...



O's may refer to:
  • Baltimore Orioles
    Baltimore Orioles
    The Baltimore Orioles are a professional baseball team based in Baltimore, Maryland in the United States. They are a member of the Eastern Division of Major League Baseball's American League. One of the American League's eight charter franchises in 1901, it spent its first year as a major league...

  • Leyton Orient

See also

  • Per os, a medical term for ingestion by mouth
  • Object sexuality
    Object sexuality
    Object sexuality or objectum sexuality, in German objektophil , is a pronounced emotional and often romantic desire towards developing significant relationships with particular inanimate objects. Those individuals with this expressed preference may feel strong feelings of attraction, love, and...

    , sexual attraction to inanimate objects
  • Oral sex
    Oral sex
    Oral sex is sexual activity involving the stimulation of the genitalia of a sex partner by the use of the mouth, tongue, teeth or throat. Cunnilingus refers to oral sex performed on females while fellatio refer to oral sex performed on males. Anilingus refers to oral stimulation of a person's anus...

    , sexual activity involving the stimulation of the genitalia of a sex partner by the use of the mouth, tongue, teeth or throat.
  • OutSystems
    OutSystems
    OutSystems is a multinational software company which operates in the agile software development market. The company’s mission is to provide technology that speeds up and reduces the costs of the delivery and management of web business applications using agile methodologies.OutSystems' flagship...

    , multinational software company which operates in the agile software development market.
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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