Definition of effervesce in English:

effervesce

verb

[NO OBJECT]
  • 1(of a liquid) give off bubbles.

    ‘the waves seemed to effervesce as they swept by’
    • ‘You'll remember the sort of thing - drop something volatile in a beaker of acid and watch it whiz round and round, effervescing violently and smelling of bad eggs.’
    sparkle, bubble, froth, foam, seethe
    View synonyms
  • 2Be vivacious and enthusiastic.

    ‘managers are supposed to effervesce with praise and encouragement’

Origin

Early 18th century: from Latin effervescere, from ex- ‘out, up’ + fervescere ‘begin to boil’ (from fervere ‘be hot, boil’).

Pronunciation

effervesce

/ˌɛfəˈvɛs/