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
From the M-W Editors
Examples of effusion in a Sentence
Her poetic effusions became tiresome.
15th Century
First Known Use of effusion
15th century
Other Physics Terms
EFFUSION Defined for English Language Learners
effusion
playDefinition of effusion for English Language Learners
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: something that is said or expressed too much or with a lot of emotion
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: a flow of liquid or gas
Medical Dictionary
effusion
playMedical 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
Learn More about effusion
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See words that rhyme with effusion Spanish Central: Translation of effusion Nglish: Translation of effusion for Spanish speakers Britannica English: Translation of effusion for Arabic speakers Britannica.com: Encyclopedia article about effusion
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