- the act of hiding or concealing something
- a process in which a gland, tissue, etc. produces a biochemical and releases it into the organism for special use by the organism or for excretion
- the substance thus released, including digestive juices, hormones, and perspiration
Origin of secretionMiddle French from Classical Latin secretio, separation from secretus: see secret
- The process of secreting a substance, especially one that is not a waste, from the blood or cells: secretion of hormones; secretion of milk by the mammary glands.
- A substance, such as saliva, mucus, tears, bile, or a hormone, that is secreted.
Origin of secretionFrench sécrétion from Old French separation from Latin sēcrētiō sēcrētiōn- from sēcrētus past participle of sēcernere to set aside ; see secern .
- The act of concealing something in a hiding place.
- The act of stealing something secretly.
Origin of secretionFrom secrete 2
- The act of hiding something.