effervesce

From Latin effervescere (“to boil up”).

• (US) IPA^(key): /ˌɛf.əɹˈvɛs/

effervesce (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.
   • 1846, Nathaniel Hawthorne, “The New Adam and Eve”, in Mosses from an Old Manse:

     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.

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.

• effervescence
• effervescent

effervēsce

1. second-person singular present active imperative of effervēscō