— secretionary /si kree"sheuh ner'ee/ , adj.
/si kree"sheuhn/ , n.
1. (in a cell or gland) the act or process of separating, elaborating, and releasing a substance that fulfills some function within the organism or undergoes excretion.
2. the product of this act or process.
[ 1640-50; secretion- (s. of secretio ), equiv. to secret ( us ) (ptp. of secernere to SECERN) + -ion- -ION ]