'Effervescence' definitions:

Definition of 'effervescence'

From: WordNet
noun
The process of bubbling as gas escapes
noun
The property of giving off bubbles [syn: bubbliness, effervescence, frothiness]

Definition of 'Effervescence'

From: GCIDE
  • Effervescence \Ef`fer*ves"cence\, Effervescency \Ef`fer*ves"cen*cy\, n. [Cf. F. effervescence.] A kind of natural ebullition; that commotion of a fluid which takes place when some part of the mass flies off in a gaseous form, producing innumerable small bubbles; as, the effervescence of a carbonate with citric acid. [1913 Webster]