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Definition of vacuole noun from the Oxford Advanced American Dictionary

     

    vacuole

     noun
    noun
    NAmE//ˈvækyuˌoʊl//
     
     
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  1. 1(biology) a small space within a cell, usually filled with liquid
  2. 2(medical) a small hole in the tissue of the body, usually caused by disease
See the Oxford Advanced Learner's Dictionary entry: vacuole