OS

See also Appendix:Variations of "os"

English

Initialism

OS

1. Ordnance Survey
2. (software) operating system
3. oculus sinister — left eye
4. outsize
5. 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

Derived terms

• (operating system): RTOS , JeOS

Noun

OS (plural OSes)

1. (UK) an Ordnance Survey map.

   We've got an OS of the Cuckmere area.

Anagrams

• SO, So, So., s.o., s/o, so

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Swedish

Initialism

OS

1. operating system; Abbreviation of operativsystem.
2. the Olympic Games; Abbreviation of olympiska spelen.