English

Definition of secretion noun from the Oxford Advanced Learner's Dictionary

     

    secretion

     noun
    noun
    BrE BrE//sɪˈkriːʃn//
     
    ; NAmE NAmE//sɪˈkriːʃn//
     
    (specialist)
     
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  1. 1[uncountable] the process by which liquid substances are produced by parts of the body or plants the secretion of bile by the liver
  2. 2[countable, usually plural] a liquid substance produced by parts of the body or plants bodily secretions
  3. Word Origin mid 17th cent.: from French sécrétion or Latin secretio(n-) ‘separation’, from secret- ‘moved apart’, from the verb secernere.
See the Oxford Advanced American Dictionary entry: secretion