Simple past tense and past participle of effervesce.(verb)
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Use "effervesced" in a sentence
"Debarred from ordinary amusements or occupations, the irrepressible need of expression effervesced in rhymes as rugged and unlovely as the writers, and ream upon ream of verse accumulated."
"I don't want this night to ever end! judge Bruno Tonioli effervesced about that performance."
"MelangePure coffee with effervesced milk and chocolate."