Definition of perspiration noun from the Oxford Advanced American Dictionary

     

    perspiration

     noun
    noun
    NAmE//ˌpərspəˈreɪʃn//
     
    [uncountable]
     
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  1. 1drops of liquid that form on your skin when you are hot synonym sweat Beads of perspiration stood out on his forehead. Her skin was damp with perspiration.
  2. 2the act of perspiring Perspiration cools the skin in hot weather.
See the Oxford Advanced Learner's Dictionary entry: perspiration