Definition of anesthesia noun from the Oxford Advanced American Dictionary

     

    anesthesia

     noun
    noun
    NAmE//ˌænəsˈθiʒə//
     
    [uncountable]
     
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  1. 1 the use of an anesthetic during medical operations surgery carried out under anesthesia
  2. 2(technology) the state of being unable to feel anything, especially pain
See the Oxford Advanced Learner's Dictionary entry: anesthesia