Effervesce v. i. : 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.

Effervesce v. i. : To exhibit, in lively natural expression, feelings that can not be repressed or concealed; as, to effervesce with joy or merriment.

Example:
Why do carbonated drinks Effervesce vigorously when poured onto ice?

Taxonomy
effervesce, ef, Merriam-Webster Online Dictionary, Dictionary, webster, boil, Word Games, Webster Online Dictionary with audio pronunciations, glossary, english, language, ESL, vesce, e-f, intransitive verb, Inflected, vesc, Etymology.

Defination from the web:
effervesce from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games. ... Home. Visit Our Sites. Unabridged Dictionary. Learner's Dictionary. Word Central for Kids. Premium Services. Unabridged Dictionary ...