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English definition of “secretion”

secretion

noun [C or U]     /sɪˈkriː.ʃən/ specialized
the process by which an animal or plant produces and releases a liquid, or the liquid produced: The excessive secretion of gastric juices in the gut causes ulcers. toxic secretionsPhysical and chemical processes
(Definition of secretion noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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