Effervescing can be categorized as a verb.
Adjective |
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| effervescing - emitting or filled with bubbles as from carbonation or fermentation; "bubbling champagne"; "foamy (or frothy) beer" | ||
Verb |
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| effervesce - become bubbly or frothy or foaming; "The boiling soup was frothing"; "The river was foaming"; "Sparkling water" |