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
Otitis Media With Effusion (Glue Ear) Otis media with effusion (OME), sometimes called glue ear, is a common condition, particularly in children ages 1-6.
—Sherri Gordon, Health, 30 Dec. 2024
According to the autopsy findings, Strain showed signs of pulmonary edema and pleural effusions, which happens when too much fluid builds up in the lungs and chest cavity.
—Craig Shoup, The Tennessean, 27 June 2024
Strain showed signs of pulmonary edema and pleural effusions, which happens when too much fluid builds up in the lungs and chest cavity.
—Kirsten Fiscus, Nashville Tennessean, 18 June 2024
That is, there would be no place for the enchantments of maximalism—for encyclopedic novels of exorbitant length, for stylistic effusions, for camp confectionery.
—Becca Rothfeld, Harper's Magazine, 2 Mar. 2024
See all Example Sentences for effusion 
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Sherri Gordon, Health, 30 Dec. 2024
According to the autopsy findings, Strain showed signs of pulmonary edema and pleural effusions, which happens when too much fluid builds up in the lungs and chest cavity.
—Craig Shoup, The Tennessean, 27 June 2024
Strain showed signs of pulmonary edema and pleural effusions, which happens when too much fluid builds up in the lungs and chest cavity.
—Kirsten Fiscus, Nashville Tennessean, 18 June 2024
That is, there would be no place for the enchantments of maximalism—for encyclopedic novels of exorbitant length, for stylistic effusions, for camp confectionery.
—Becca Rothfeld, Harper's Magazine, 2 Mar. 2024
See all Example Sentences for effusion
Cite this Entry
“Effusion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/effusion. Accessed 18 Jan. 2025.
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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