Os (noun) Definition, Meaning & Examples

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noun, plural os·sa [os-uh]. /ˈɒs ə/.
  1. a bone.
noun, plural o·ra [awr-uh, ohr-uh]. /ˈɔr ə, ˈoʊr ə/.
  1. a mouth or orifice of the body.
noun, plural o·sar [oh-sahr]. /ˈoʊ sɑr/.
  1. an esker, especially when of great length.
  1. osmium.
abbreviation
  1. Old Saxon.
  2. operating system.
  1. (of the calendar) Old Style.
  2. out of stock.
  3. (in banking) outstanding.
  1. (of the calendar) Old Style.
abbreviation
  1. (in prescriptions) the left eye.
abbreviation
  1. Old Saxon.
  2. (of the calendar) Old Style (def. 2).
  3. ordinary seaman.
noun plural ossa (ˈɒsə)
  1. anatomy the technical name for bone
noun plural ora (ˈɔːrə)
  1. a mouth or mouthlike part or opening
noun plural osar (ˈəʊsɑː)
  1. another name for esker
the chemical symbol for
  1. osmium
abbreviation for
  1. Old School
  2. Old Style (method of reckoning dates)
  3. Ordinary Seaman
  4. (in Britain) Ordnance Survey
  5. outsize
  6. Old Saxon (language)
abbreviation for
  1. out of stock
  2. outstanding
    Os (noun) Definition, Meaning & Examples

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