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effuse

[verb ih-fyooz; adjective ih-fyoos]
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verb (used with object), ef·fused, ef·fus·ing.
  1. to pour out or forth; shed; disseminate: The town effuses warmth and hospitality.
verb (used without object), ef·fused, ef·fus·ing.
  1. to exude; flow out.
  2. Physics. (of a gas) to flow through a very small orifice.
adjective
  1. scattered; profuse.
  2. Botany. spread out loosely.
  3. (of certain shells) having the lips separated by a gap or groove.

Origin of effuse

1350–1400; Middle English < Latin effūs(us) (past participle of effundere) poured out, equivalent to ef- ef- + fūsus poured (see fuse2)
Related formsun·ef·fused, adjectiveun·ef·fus·ing, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for effuse

effuse

verb (ɪˈfjuːz)
  1. to pour or flow out
  2. to spread out; diffuse
  3. (intr) to talk profusely, esp in an excited manner
  4. to cause (a gas) to flow or (of a gas) to flow under pressure
adjective (ɪˈfjuːs)
  1. botany (esp of an inflorescence) spreading out loosely

Word Origin

C16: from Latin effūsus poured out, from effundere to shed, from fundere to pour
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for effuse

v.

late 14c., from Middle French effuser or directly from Latin effusus, past participle of effundere "to pour forth" (see effusion). Related: Effused; effusing.

Online Etymology Dictionary, © 2010 Douglas Harper