effusion

[ ih-fyoo-zhuhn ]
See synonyms for effusion on Thesaurus.com
noun
  1. the act of effusing or pouring forth.

  2. something that is effused.

  1. an unrestrained expression, as of feelings: poetic effusions.

  2. Pathology.

    • the escape of a fluid from its natural vessels into a body cavity.

    • the fluid that escapes.

  3. Physics. the flow of a gas through a small orifice at such density that the mean distance between the molecules is large compared with the diameter of the orifice.

Origin of effusion

1
1350–1400; Middle English (<Anglo-French ) <Latin effūsiōn- (stem of effūsiō), equivalent to ef-ef- + fūsion-fusion

Other words from effusion

  • non·ef·fu·sion, noun

Words Nearby effusion

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use effusion in a sentence

British Dictionary definitions for effusion

effusion

/ (ɪˈfjuːʒən) /


noun
  1. an unrestrained outpouring in speech or words

  2. the act or process of being poured out

  1. something that is poured out

  2. the flow of a gas through a small aperture under pressure, esp when the density is such that the mean distance between molecules is large compared to the diameter of the aperture

  3. med

    • the escape of blood or other fluid into a body cavity or tissue

    • the fluid that has escaped

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