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Definition of OS

7 definitions found:



O \O\ ([=o]), n.; pl. {O's} or {Oes} ([=o]z).
     1. The letter O, or its sound. "Mouthing out his hollow oes and aes." --Tennyson. [1913 Webster]

     2. Something shaped like the letter O; a circle or oval.
        "This wooden O [Globe Theater]". --Shak. [1913 Webster]

     3. A cipher; zero. [R.]
        [1913 Webster]

              Thou art an O without a figure.       --Shak. [1913 Webster]

The Collaborative International Dictionary of English v.0.48 [gcide]

Os \Os\, n.; pl. {Ossa}. [L.]
     A bone.
     [1913 Webster]

The Collaborative International Dictionary of English v.0.48 [gcide]

Os \Os\, n.; pl. {Ora}. [L.]
     A mouth; an opening; an entrance.
     [1913 Webster]

The Collaborative International Dictionary of English v.0.48 [gcide]

Os \Os\, n.; pl. {Osar}. [Sw. [*a]s ridge, chain of hills, pl. [*a]sar.] (Geol.) One of the ridges of sand or gravel found in Sweden, etc., supposed by some to be of marine origin, but probably formed by subglacial waters. The osar are similar to the kames of Scotland and the eschars of Ireland. See {Eschar}. [1913 Webster]

The Collaborative International Dictionary of English v.0.48 [gcide]

Os \Os\, n. (Chem.)
     The chemical symbol for the element {osmium}.
     [PJC]

The Collaborative International Dictionary of English v.0.48 [gcide]

OS
   /O?S/

      1. [Operating System] n. An abbreviation heavily used in email, occasionally in speech.

      2. n. obs. On ITS, an output spy. See OS and JEDGAR in Appendix A.


The Jargon File (version 4.4.7, 29 Dec 2003) [jargon]

OS
         Operating System

V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2013) [vera]


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2 & 3-letter word lists
US/Canada/TWL23
English/SOWPODS23
WWF/ENABLE23
French/OSD423

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