effusion
noun
ef·fu·sion
i-ˈfyü-zhən 
e-
1
: an act of effusing
2
: unrestrained expression of words or feelings
greeted her with great effusion—
Olive H. Prouty
Olive H. Prouty3
a(1)
: the escape of a fluid from anatomical vessels by rupture or exudation
(2)
: the flow of a gas through an aperture whose diameter is small as compared with the distance between the molecules of the gas
b
: the fluid that escapes
Examples of effusion in a Sentence
Her poetic effusions became tiresome.
Recent Examples on the Web
Schröder had been dealing with right Achilles soreness, Smith with right hip synovitis and Finney-Smith with a left knee effusion.
—C.j. Holmes, New York Daily News, 12 Apr. 2024
His great achievement, and Moses’s and Neugebauer’s, lies in the fact that such an effusion — hardly the only one in The Ally — feels not only truthful but real, earned and human, an expression not of writerly grandiosity but of character need.
—Sara Holdren, Vulture, 28 Feb. 2024
Reddish played just two games before suffering the ankle injury after missing three consecutive games because of left knee effusion (swelling).
—Khobi Price, Orange County Register, 26 Jan. 2024
If the gender binary melts away, if heterosexuality is no longer the default assumption, if parasites enter the building and dismantle the tenants, something unspeakable will skitter across—and that is the point of any erotic effusion worth pursuing.
—Becca Rothfeld, The New Yorker, 17 Feb. 2024
See all Example Sentences for effusion 
C.j. Holmes, New York Daily News, 12 Apr. 2024
His great achievement, and Moses’s and Neugebauer’s, lies in the fact that such an effusion — hardly the only one in The Ally — feels not only truthful but real, earned and human, an expression not of writerly grandiosity but of character need.
—Sara Holdren, Vulture, 28 Feb. 2024
Reddish played just two games before suffering the ankle injury after missing three consecutive games because of left knee effusion (swelling).
—Khobi Price, Orange County Register, 26 Jan. 2024
If the gender binary melts away, if heterosexuality is no longer the default assumption, if parasites enter the building and dismantle the tenants, something unspeakable will skitter across—and that is the point of any erotic effusion worth pursuing.
—Becca Rothfeld, The New Yorker, 17 Feb. 2024
See all Example Sentences for effusion
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'effusion.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near effusion
Cite this Entry
“Effusion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/effusion. Accessed 15 Jul. 2024.
Copy CitationKids Definition
effusion
noun
ef·fu·sion
i-ˈfyü-zhən
e-
1
: free expression of words or feelings
2
a
: escape of a fluid from containing vessels
b
: the fluid that escapes
Medical Definition
effusion
noun
ef·fu·sion
i-ˈfyü-zhən, e-
1
a
: the escape of a fluid from anatomical vessels by rupture or exudation
b
: the flow of a gas through an aperture whose diameter is small as compared with the distance between the molecules of the gas
2
: the fluid that escapes by extravasation see pleural effusion
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