Dictionary

OS en · ADJ

Pronunciation

• /ˌoʊ ˈɛs/
• (US) audio

Meanings

1. (abbreviation, alt-of, initialism, not-comparable) Initialism of outsize, clothes for large people.
   alt of clothes for large people
   alt of outsize
2. (abbreviation, alt-of, initialism, not-comparable) Initialism of oversize.
   alt of oversize
3. (abbreviation, alt-of, initialism, not-comparable) Initialism 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.
   alt of Old Style
4. (abbreviation, alt-of, not-comparable) Abbreviation of offscreen, indicating a line of dialogue is spoken by someone not visible onscreen.
   alt of indicating a line of dialogue is spoken by someone not visible onscreen
   alt of offscreen
5. (abbreviation, alt-of, initialism, not-comparable) Initialism of over shoulder.
   alt of over shoulder

OS en · ADV

Pronunciation

• /ˌoʊ ˈɛs/
• (US) audio

Meanings

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

OS en · NOUN

Pronunciation

• /ˌoʊ ˈɛs/
• (US) audio

Meanings

1. (UK) An Ordnance Survey map.
   • Calton Hill in Edinburgh is located at OS grid ref NT262741.
   • We've got an OS of the Cuckmere area.
2. (abbreviation, alt-of, initialism) Initialism of operating system.
   alt of operating system
   • I've decided to install two different OSes on my new laptop.
   • A policy-created scheduled task will be accepted by computers running client OSes as old as Windows 2000 […] 2010, Jorge Orchilles, Microsoft Windows 7 Administrator's Reference:
   • In a dual-boot configuration, you install two OSs on the computer (Windows XP and Windows 2000, for example). 2009, Emmett Dulaney, CompTIA A+ Complete Review Guide:
   • 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 […] 2008, Karim Yaghmour, Jon Masters, Gilad Ben-Yossef, Building Embedded Linux Systems:
3. (abbreviation, alt-of, initialism) Initialism of ordinary seaman.
   alt of ordinary seaman
4. (abbreviation, alt-of, initialism) Initialism of oppidan scholar.
   alt of oppidan scholar

Forms

Deriveds

iPadOS (Terms derived from OS (“operating system”)) · OS X (Terms derived from OS (“operating system”)) · iOS (Terms derived from OS (“operating system”)) · AROS (Terms derived from OS (“operating system”)) · RTOS (Terms derived from OS (“operating system”)) · OS/2 (Terms derived from OS (“operating system”)) · tvOS (Terms derived from OS (“operating system”)) · JeOS (Terms derived from OS (“operating system”)) · watchOS (Terms derived from OS (“operating system”)) · webOS (Terms derived from OS (“operating system”)) · macOS (Terms derived from OS (“operating system”))

Relateds

OS diaper · OS nappy

Translations (10)

ur آپریٹنگ سسٹم (operating system) · pt SO (operating system) · ro SO (operating system) · th โอเอส (operating system) · es SO (operating system) · hy ՕՀ (operating system) · ko 오에스 (operating system) · pl system operacyjny (operating system) · es sistema operativo (operating system) · ro sistem de operare (operating system)

OS en · PROPN

Pronunciation

• /ˌoʊ ˈɛs/
• (US) audio

Meanings

1. (abbreviation, alt-of, initialism) Initialism of Owen Sound.
   alt of Owen Sound
2. (abbreviation, alt-of, initialism) Initialism of The Ordnance Survey, official mapping agency in Great Britain (see also the noun below).
   alt of official mapping agency in Great Britain
   alt of The Ordnance Survey
3. (abbreviation, alt-of, initialism) Initialism of Old Saxon.
   alt of Old Saxon