Definition of "effervesce"

effervesce

/ˌɛf.əɹˈvɛs/

verb
third-person singular simple present effervesces, present participle effervescing, simple past and past participle effervesced
1. (intransitive, of a liquid) To emit small bubbles of dissolved gas; to froth or fizz.
  Quotations
  After some remonstrances, she takes up a champagne bottle, but is frightened by the sudden explosion of the cork, and drops it upon the floor. There the untasted liquor effervesces.
  1846, Nathaniel Hawthorne, “The New Adam and Eve”, in Mosses from an Old Manse
2. (intransitive, of a gas) To escape from solution in a liquid in the form of bubbles.
3. (intransitive, figurative, of a person) To show high spirits.