effusion

E1F4F4U1S1I1O1N1

noun

A liquid outpouring.

“pleural effusion”

Opposite
Less commonScrabble 14

Meanings

nouneffusion (countable and uncountable, plural effusions)

plural effusions

  1. countableuncountableA liquid outpouring.

    Antonyms: infusion

  2. countableuncountablechemistryProcess of gases passing through a hole or holes considerably smaller than the mean free path of the gas molecules.
  3. broadlycountablefigurativelyuncountableAn outpouring of speech or emotion.

    1930; George S. Kaufman, Morrie Ryskind, Bert Kalmar, Harry Ruby; Animal Crackers, Paramount Pictures Captain Spaulding: My friends, I am highly gratified by this magnificent display of effusion […]

    1 more example

    The housekeeper, a very decorative brunette of thirty-five with a pseudo-English accent, greeted him with a mixture of grateful effusion and condescending patronage.

    1946, William Hatfield, Buffalo Jim, Oxford: Geoffrey Cumberlege, page 70
  4. countableuncountablemedicineThe seeping of fluid into a body cavity; the fluid itself.

    pleural effusion

Synonyms & antonyms

nounA liquid outpouring.

Opposite

More synonyms by meaning

nounan unrestrained expression of emotion

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Latineffūsiō“outpouring”
  2. Middle Frencheffusion
  3. Englisheffusion

Borrowed from Middle French effusion, from Latin effūsiō (“outpouring”). Displaced native Old English āgotennes.

Full word history & related roots →

Translations

Arabic اِنْدِفَاق, اِنْصِبَاب
  • اِنْدِفَاق (indifāq)outpouring of liquid
  • اِنْصِبَاب (inṣibāb)outpouring of liquid
  • تَدَفُّق (tadaffuq)chemistry, physics: process
Bulgarian изливане, изтичане
  • изливане (izlivane)outpouring of liquid
  • изтичане (iztičane)outpouring of liquid
Catalan efusió, efusió
  • efusióoutpouring of liquid
  • efusióoutpouring of speech or emotion
Chinese Mandarin 外溢, 流出
  • 外溢 (wàiyì)outpouring of liquid
  • 流出 (liúchū)outpouring of liquid
  • 滲出液 /渗出液 (shènchūyè)outpouring of liquid
  • 逸散chemistry, physics: process
  • 滔滔不絕的言辭 /滔滔不绝的言辞 (tāotāobùjué de yáncí)outpouring of speech or emotion
  • 滲出 /渗出 (shènchū)seeping of fluid into a body cavity
  • 滲液 /渗液 (shènyè)seeping of fluid into a body cavity
  • 積液 /积液 (jīyè)seeping of fluid into a body cavity
Czech výlev, výtok
  • výlevoutpouring of liquid
  • výtokoutpouring of liquid
  • efuzechemistry, physics: process
  • (citový) výlevoutpouring of speech or emotion
  • výronseeping of fluid into a body cavity
  • výtokseeping of fluid into a body cavity
Dutch uitstorting
  • uitstortingoutpouring of liquid
Finnish valuminen, effuusio
  • valuminenoutpouring of liquid
  • effuusiooutpouring of liquid
  • effuusiochemistry, physics: process
  • vuodatusoutpouring of speech or emotion
  • effuusioseeping of fluid into a body cavity
French effusion, effusion
  • effusionoutpouring of liquid
  • effusionchemistry, physics: process
  • effusionoutpouring of speech or emotion
  • effusionseeping of fluid into a body cavity
German Ausfluss, Erguss
  • Ausflussoutpouring of liquid
  • Ergussoutpouring of liquid
  • Effusionchemistry, physics: process
  • Ergussoutpouring of speech or emotion
  • Ausbruchoutpouring of speech or emotion
  • Ergussseeping of fluid into a body cavity
Indonesian efusi, efusi
  • efusichemistry, physics: process
  • efusiseeping of fluid into a body cavity
Italian effusione, spargimento
  • effusioneoutpouring of liquid
  • spargimentooutpouring of liquid
  • travasooutpouring of liquid
  • effusioneoutpouring of speech or emotion
  • effusionioutpouring of speech or emotion
  • effusioneseeping of fluid into a body cavity
Latin effūsiō
  • effūsiōoutpouring of liquid
Portuguese efusão, efusão
  • efusãooutpouring of liquid
  • efusãooutpouring of speech or emotion
  • efusãoseeping of fluid into a body cavity
Slovak výlev, výtok
  • výlevoutpouring of liquid
  • výtokoutpouring of liquid
  • výlevoutpouring of speech or emotion
Spanish efusión, efusión
  • efusiónoutpouring of liquid
  • efusiónoutpouring of speech or emotion
  • derrameseeping of fluid into a body cavity
Tagalog panlalagos
  • panlalagosoutpouring of liquid
Turkish efüzyon
  • efüzyonoutpouring of liquid

Rhymes & wordplay

Rhymes with effusion

All rhymes →
Cite this entry
APA

effusion. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/effusion

MLA

“effusion.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/effusion. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “effusion,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/effusion.

Source: effusion on Wiktionary, CC BY-SA 4.0.