The Collaborative International Dictionary
Effervesce \Ef`fer*vesce"\, v. i. [imp. & p. p. Effervesced; p. pr. & vb. n. Effervescing.] [L. effervescere; ex + fervescere to begin boiling, incho., fr. fervere to boil. See Fervent.]
To be in a state of natural ebullition; to bubble and hiss, as fermenting liquors, or any fluid, when some part escapes in a gaseous form.
To exhibit, in lively natural expression, feelings that can not be repressed or concealed; as, to effervesce with joy or merriment.
Wiktionary
vb. (en-past of: effervesce)
Usage examples of "effervesced".
A froth of memories and impressions and regrets effervesced up from within him.
Clusters of cargo units spun off into the void, molting chunks of equipment that effervesced from every surface.
Here archways effervesced and stood supported by nothing more than their own bubbling solidity.