secretion
noun
se·cre·tion
si-ˈkrē-shən 
1
a
: the process of segregating, elaborating, and releasing some material either functionally specialized (such as saliva) or isolated for excretion (such as urine)
b
: a product of secretion formed by an animal or plant
especially
: one performing a specific useful function in the organism
2
[secrete entry 2]
: the act of hiding something : concealment
Examples of secretion in a Sentence
the secretion of stomach acids
root secretions that repel insects
Recent Examples on the Web
This is not the first time that anxiety over Alexander Skarsgård’s synthetic manhood — and its fake secretions — has resulted in dual versions of a film.
—
Gustavo Turner, HollywoodReporter, 1 Apr. 2026
It’s made with 96% snail secretion filtrate (yep, a mucus snails produce).
—Catherine Garcia, TheWeek, 1 Apr. 2026
Until the lava of the bird’s stomach melts her valiant resins, dissolves her nomadic strength, and transforms her into a viscous secretion.
—María Ospina, The Dial, 31 Mar. 2026
Lac and lacquer Lac, a resinous substance used for decorations, is made from the secretion of the tiny lac insect, Laccifer lacca.
—Encyclopedia Britannica, 31 Mar. 2026
See All Example Sentences for secretion
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Gustavo Turner, HollywoodReporter, 1 Apr. 2026
It’s made with 96% snail secretion filtrate (yep, a mucus snails produce).
—Catherine Garcia, TheWeek, 1 Apr. 2026
Until the lava of the bird’s stomach melts her valiant resins, dissolves her nomadic strength, and transforms her into a viscous secretion.
—María Ospina, The Dial, 31 Mar. 2026
Lac and lacquer Lac, a resinous substance used for decorations, is made from the secretion of the tiny lac insect, Laccifer lacca.
—Encyclopedia Britannica, 31 Mar. 2026
See All Example Sentences for secretion
Cite this Entry
“Secretion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/secretion. Accessed 5 Apr. 2026.
Copy CitationKids Definition
secretion
noun
se·cre·tion
si-ˈkrē-shən
1
a
: the process of giving off a substance (as saliva)
b
: a substance produced and given off by a gland
especially
: one (as an enzyme) that performs a specific useful function in the body
Medical Definition
secretion
noun
se·cre·tion
si-ˈkrē-shən
1
: the process of segregating, elaborating, and releasing some material either functionally specialized (as saliva) or isolated for excretion (as urine)
2
: a product of secretion formed by an animal or plant
especially
: one performing a specific useful function in the organism
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