a substance that is released from a cell, esp a glandular cell, and is synthesized in the cell the process involved in producing and releasing such a substance from the cell
WordReference Random House Learner's Dictionary of American English © 2025
se•cre•tion /sɪˈkriʃən/USA pronunciation
n.
WordReference Random House Unabridged Dictionary of American English © 2025- Physiology (in a cell or gland) the process of producing and releasing a hormone within the organism:[uncountable]the secretion of growth hormone from the pituitary gland.
- Physiology the (usually chemical) product of this process:[countable]secretions from the snake's poison gland.
se•cre•tion
(si krē′shən),USA pronunciation n.
se•cre•tion•ar•y
(si krē′shə ner′ē),USA pronunciation adj.
- Physiology(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.
- Physiologythe product of this act or process.
- Latin sēcrētiōn- (stem of sēcrētiō), equivalent. to sēcrēt(us) (past participle of sēcernere to secern) + -iōn- -ion
- 1640–50;
Collins Concise English Dictionary © HarperCollins Publishers::
'secretion' also found in these entries (note: many are not synonyms or translations):
-agogue
- ACTH
- Addison's disease
- Graves' disease
- acholia
- acromegaly
- aldosteronism
- ambergris
- amyxorrhea
- apocrine
- arginine
- autacoid
- betazole
- bilious
- blister beetle
- bromhidrosis
- castor
- catchfly
- cell-mediated immunity
- chalone
- chlorpropamide
- cholecystokinin
- chorionic gonadotrophin
- chromhidrosis
- chyme
- cimetidine
- civet
- colloid
- colostrum
- comedo
- coryza
- cretinism
- crinogenic
- cuckoo-spit
- diabetes
- duct
- earwax
- endocrine
- epiphora
- epistasis
- exocrine
- expectorant
- fight-or-flight reaction
- froghopper
- galactic
- galactopoietic
- galactorrhea
- gastrin
- gland
- glutinant