os Meaning in the Cambridge English Dictionary
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Meaning of “os” in the English Dictionary

"os" in British English

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osnoun [C]

uk   /ɒs/  us   /ɑs/ (plural ossa ) specialized
a ​Latin word ​meaning "​bone", used in ​medicalnames and ​descriptions


uk   /ˌəʊˈes/  us   /ˌoʊ-/
[U] abbreviation for the Ordnance Survey [C] →  operating system
(Definition of os from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"OS" in American English

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OSnoun [C]

 us   /ˈoʊˌes/
abbreviation for operating system
(Definition of OS from the Cambridge Academic Content Dictionary © Cambridge University Press)

"OS" in Business English

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(also O/S) uk   us  
IT abbreviation for operating system
COMMERCE abbreviation for out of stock
ACCOUNTING abbreviation for outstanding
COMMERCE abbreviation for outsized
(Definition of OS from the Cambridge Business English Dictionary © Cambridge University Press)
Translations of “os”
in Chinese (Simplified) 全国地形测量局, 操作系统…
in Chinese (Traditional) 全國地形測量局, 作業系統…
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“os” in Business English

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public school

in England, an expensive type of private school (= school paid for by parents not by the government)

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