secretion

secretion
noun
  1. [mass noun]a process by which substances are produced and discharged from a cell, gland, or organ for a particular function in the organism or for excretion
    分泌
    ■[count noun]a substance discharged in such a way
    分泌物
语源
  1. mid 17th cent.: from French sécrétion or Latin secretio(n-) 'separation', from secret- 'moved apart', from the verb secernere
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