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单词 os
释义

WordReference Random House Unabridged Dictionary of American English © 2024
os1  (os),USA pronunciation n., pl. os•sa (osə).USA pronunciation 
  1. Anatomy, Zoologya bone.
  • Latin
  • 1540–50

os2  (os),USA pronunciation n., pl. o•ra (ôrə, ōrə).USA pronunciation 
  1. Anatomy, Zoologya mouth or orifice of the body.
  • Latin ōs mouth
  • 1730–40

os3  (ōs),USA pronunciation n., pl. o•sar (ō′sär).USA pronunciation 
  1. Geologyan esker, esp. when of great length.
  • Swedish ås (plural åsar ) ridge

OS, 
    1. Language VarietiesOld Saxon.
    2. Computingoperating system.

Os, 
  1. Chemistry[Symbol, Chem.]osmium.

O/S, 
  1. Time, (of the calendar) Old Style.

o/s, 
    1. Time, (of the calendar) Old Style.
    2. out of stock.
    3. Business(in banking) outstanding.

O.S., 
      (in prescriptions) the left eye.
      • Latin oculus sinister
    1. Language VarietiesOld Saxon.
    2. Old School.
    3. Old series.
    4. Time(of the calendar) Old Style.
    5. Naval TermsSee ordinary seaman. 

o.s., 
      (in prescriptions) the left eye.
      • Latin oculus sinister
    1. Naval TermsSee ordinary seaman. 

Collins Concise English Dictionary © HarperCollins Publishers::
os /ɒs/ n ( pl ossa /ˈɒsə/)
  1. the technical name for bone
Etymology: 16th Century: from Latin: bone; compare Greek osteon
os /ɒs/ n ( pl ora /ˈɔːrə/)
  1. a mouth or mouthlike part or opening
Etymology: 18th Century: from Latin
Collins Concise English Dictionary © HarperCollins Publishers::
OS abbreviation for
  1. Old Style (method of reckoning dates)
  2. Ordinary Seaman
  3. (in Britain) Ordnance Survey
  4. outsize
  5. Old Saxon (language)
Collins Concise English Dictionary © HarperCollins Publishers::
Os the chemical symbol for
  1. osmium
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更新时间:2025/7/3 11:53:36