Definition of effusion
1 : an act of effusing
2 : unrestrained expression of words or feelings greeted her with great effusion — Olive H. Prouty
3a (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 gasb : the fluid that escapes
Examples of effusion in a Sentence
Her poetic effusions became tiresome.
Recent Examples of effusion from the Web
The medicine, sterile talc powder, is used to treat malignant pleural effusion, a disease affecting about 150,000 Americans that involves excessive fluid buildup around the lungs and can cause shortness of breath and chest pain.
The scan on the left showed Sharon’s torso in May 2001, a massive tumor impinging her left lung, the pleural effusion flooding her chest.
The current work reinterprets and recreates the youthful artistic visions and effusion.
In Vedic hymns Lockington was the effusive cellist and the children’s chorus director, Anne Tomlinson, conducted, though without effusion.
The work ends with an effusion of shimmering strings.
Mr. Levit’s interpretation was permeated by wariness, a sense of repression that occasionally exploded — as in the fugue in E minor, the almost sputtering effusion of a man finally finding his voice.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'effusion.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of effusion
EFFUSION Defined for English Language Learners
Definition of effusion for English Language Learners
: something that is said or expressed too much or with a lot of emotion
: a flow of liquid or gas
Medical Definition of effusion
1a: the escape of a fluid from anatomical vessels by rupture or exudationb: 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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