intransitive verb-·vesced′, -·vesc′ing
- to give off gas bubbles, as carbonated beverages; bubble; foam
- to rise and come out in bubbles, as gas in a liquid
- to be lively and high-spirited
Origin of effervesceClassical Latin effervescere, to boil up, foam up from ex-, out + fervescere, to begin to boil from fervere, to boil: see fervent
intransitive verbef·fer·vesced, ef·fer·vesc·ing, ef·fer·vesc·es
- To emit small bubbles of gas, as a carbonated or fermenting liquid.
- To escape from a liquid as bubbles; bubble up.
- To show high spirits or animation.
Origin of effervesceLatin effervēscere ex- up, out ; see ex- . fervēscere to start boiling inchoative of fervēre to boil ; see bhreu- in Indo-European roots.
- ef′fer·ves′cence ef′fer·ves′cen·cy
(third-person singular simple present effervesces, present participle effervescing, simple past and past participle effervesced)