1. 
   substantivity
   Type: Term Pronunciation: sŭb-stan-tiv′i-tē Definitions: 1. Term comprising the adherent qualities of a sunscreen and its ability to be retained after the skin is exposed to water and perspiration. Persistence of effect of a topically applied drug or cosmetic, determined by the degre...
   Found op http://www.medilexicon.com/medicaldictionary.php?t=86095
   
   

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