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[ef-er-ves] /ˌɛf ərˈvɛs/
verb (used without object), effervesced, effervescing.
to give off bubbles of gas, as fermenting liquors.
to issue forth in bubbles.
to show enthusiasm, excitement, liveliness, etc.:
The parents effervesced with pride over their new baby.
Origin of effervesce
1695-1705; < Latin effervēscere, equivalent to ef- ef- + ferv- hot (see fervent) + -ēscere -esce
Related forms
effervescence, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for effervescence


verb (intransitive)
(of a liquid) to give off bubbles of gas
(of a gas) to issue in bubbles from a liquid
to exhibit great excitement, vivacity, etc
Derived Forms
effervescible, adjective
effervescingly, adverb
Word Origin
C18: from Latin effervescere to foam up, from fervescere to begin to boil, from fervēre to boil, ferment
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
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Word Origin and History for effervescence

1650s, "the action of boiling up," from French effervescence (1640s), from Latin effervescentem, present participle of effervescere "to boil up, boil over," from ex- "out" (see ex-) + fervescere "begin to boil," from fervere "be hot, boil" (see brew). Figurative sense of "liveliness" is from 1748. Related: Effervescency.



1702, from Latin effervescere (see effervescence). Related: Effervesced; effervescing.

Online Etymology Dictionary, © 2010 Douglas Harper
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effervescence in Science
The bubbling of a solution due to the escape of gas. The gas may form by a chemical reaction, as in a fermenting liquid, or by coming out of solution after having been under pressure, as in a carbonated drink.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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