1. foam, froth, bubble

usage: a mass of small bubbles formed in or on a liquid; "the beer had a thick head of foam"

2. foam, material, stuff

usage: a lightweight material in cellular form; made by introducing gas bubbles during manufacture


1. foam, froth, fizz, effervesce, sparkle, form bubbles, bubble

usage: become bubbly or frothy or foaming; "The boiling soup was frothing"; "The river was foaming"; "Sparkling water"

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See also: foam (Dictionary)