Definition of blister noun from the Oxford Advanced American Dictionary

     

    blister

     noun
    noun
    NAmE//ˈblɪstər//
     
     
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  1. 1 a swelling on the surface of the skin that is filled with liquid and is caused, for example, by rubbing or burning These shoes gave me blisters on my heels. see also fever blister
  2. 2a similar swelling, filled with air or liquid, on metal, painted wood, or another surface
See the Oxford Advanced Learner's Dictionary entry: blister