Definition of secretion noun from the Oxford Advanced American Dictionary

     

    secretion

     noun
    noun
    NAmE//sɪˈkriʃn//
     
    (technology)
     
    jump to other results
  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
See the Oxford Advanced Learner's Dictionary entry: secretion