Definition of potency noun from the Oxford Advanced American Dictionary

     

    potency

     noun
    noun
    NAmE//ˈpoʊtnsi//
     
    (pl. potencies)[uncountable, countable]
     
    jump to other results
  1. 1 the power that someone or something has to affect your body or mind the potency of desire If you keep a medicine too long, it may lose its potency. a low-potency drug
  2. 2 the ability of a man to have sex
See the Oxford Advanced Learner's Dictionary entry: potency