# OS
## Translingual
### Etymology

Abbreviation of Latin oculus sinister.

### Symbol

OS
* (optometry) the left eye

#### Alternative forms

* O.S.

#### Coordinate terms

* OD (“right eye”)

## English
### Pronunciation

* IPA: /ˌoʊ ˈɛs/
* Audio (US):(file)

### Proper noun

OS
* (sports) Abbreviation of Owen Sound.
* The Ordnance Survey, official mapping agency in Great Britain (see also the noun below).
    Related terms: OSNI

### Adjective

OS (not comparable)
* Abbreviation of outsize (clothes for large people)
* Abbreviation of oversize.
* Abbreviation of Old Style; a term used in English language historical studies to indicate that a date conforms to the Julian calendar instead of the modern Gregorian calendar
* (screenwriting) Abbreviation of offscreen; indicates a line of dialogue is spoken by someone not visible onscreen

### Adverb

OS (not comparable)
* (Australia, informal) Abbreviation of overseas.
** 2015, Mick Houghton, I've Always Kept a Unicorn: The Biography of Sandy Denny:You did the overseas trip. You went OS.
** 2022, The Betoota Advocate, The Australian Dream: Sell everything and move to Betoota, page 33:I kind of expanded my circle a bit more when I went OS [overseas].

### Noun

OS (plural OSes or OSs)
* (UK) An Ordnance Survey map.
    We've got an OS of the Cuckmere area.
    Calton Hill in Edinburgh is located at OS grid ref NT262741.
* (software) Initialism of operating system.
    I've decided to install two different OSes on my new laptop.
** 2008, Karim Yaghmour, Jon Masters, Gilad Ben-Yossef, Building Embedded Linux Systems:Some vendors do now have a variant of the per-unit royalty (usually termed a “shared risk,” or similar approach), but it is not strictly the same as for those proprietary embedded OSes mentioned before […]
** 2010, Jorge Orchilles, Microsoft Windows 7 Administrator's Reference:A policy-created scheduled task will be accepted by computers running client OSes as old as Windows 2000 […]
** 2009, Emmett Dulaney, CompTIA A+ Complete Review Guide:In a dual-boot configuration, you install two OSs on the computer (Windows XP and Windows 2000, for example).
* Initialism of ordinary seaman.
* Initialism of oppidan scholar.

#### Derived terms

* AROS
* iOS
* iPadOS
* JeOS
* macOS
* OS/2
* OS X
* RTOS
* tvOS
* watchOS
* webOS

#### Translations
### See also

* OS diaper
* OS nappy

### Anagrams

* SO, S/O, s.o., so, So, So., S&O, s/o, S.O.

## Chinese
### Etymology

From initialism of English off-screen or English overlapping sound.

### Pronunciation

* This entry needs pronunciation information. If you are familiar with the IPA then please add some!

### Noun

OS
* (chiefly Taiwan, Internet slang) internal monologue

## Hungarian
### Pronunciation

* IPA: [ˈoːɛʃː]

### Noun

OS (plural OS-ek)
* (computing) Abbreviation of operating system.
    Synonym: operációs rendszer

#### Declension
## Japanese
### Etymology

From English OS.

### Pronunciation

* (Tokyo) オーエス [òóéꜜsù] (Nakadaka – [3])
* IPA: [o̞ːe̞sɨ]

### Noun

OS(オーエス) • (ōesu)
* Abbreviation of オペレーティングシステム (operētingu shisutemu, “operating system”); an OS
** 2011 October 21, Hikaru Nakamura, “その45(よんじゅうこ)　八(はっ)百(ぴゃく)万(まん)と九(くゅう)十(じゅう)九(くゅう) [Chapter 45: Eight Million and Ninety-Nine]”, in 聖(セイント)☆おにいさん [Saint☆Young Men], volume 7 (fiction), Tokyo: Kodansha, →ISBN:98(くゅうじゅうはち)の次(つぎ)のＯ(オー)Ｓ(エス)は2000(にせん)のはずなのに……このＯ(オー)Ｓ(エス)『99』(くゅうじゅうくゅう)だもんKyūjūhachi no tsugi no ōesu wa nisen no hazu na noni... Kono ōesu “kyūjūkyū” da monThe successor OS of 98 is supposed to be 2000... But this OS is ‘99’

## Swedish
### Noun

OS
* operating system; Initialism of operativsystem.
* an Olympiad (instance of the Olympic Games); Initialism of olympiskt spel.
    ett OSan Olympiad
    ett sommar-OSa summer Olympic Games
    ett vinter-OSa winter Olympic Games
* the Olympic Games, the Olympics; Initialism of olympiska spelen.
    OS i Lillehammerthe Olympic Games in Lillehammer
    delta i OSparticipate in the Olympic Games
    tävla i OScompete in the Olympic Games
    sommar-OSsummer Olympics
    vinter-OSwinter Olympics
    OS-eldenthe Olympic flame
    OS-facklanthe Olympic torch

### References

* OS in Svensk ordbok (SO)
* OS in Svenska Akademiens ordlista (SAOL)

### Anagrams

* SO, so