Definition of pneumatic adjective from the Oxford Advanced Learner's Dictionary

     

    pneumatic

     adjective
    adjective
    BrE BrE//njuːˈmætɪk//
     
    ; NAmE NAmE//nuːˈmætɪk//
     
    [usually before noun]
     
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  1. 1filled with air a pneumatic tyre
  2. 2worked by air under pressure pneumatic tools
  3. Word Origin mid 17th cent.: from French pneumatique or Latin pneumaticus, from Greek pneumatikos, from pneuma ‘wind’, from pnein ‘breathe’.
See the Oxford Advanced American Dictionary entry: pneumatic

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