foam meaning and definition

FOAM noun

Definition of foam (noun)

1. a mass of small bubbles formed in or on a liquid
   • "the beer had a thick head of foam"
   • synonyms: froth
2. a lightweight material in cellular form; made by introducing gas bubbles during manufacture

FOAM verb

Definition of foam (verb)

1. become bubbly or frothy or foaming
   • "The boiling soup was frothing"; "The river was foaming"; "Sparkling water"
   • synonyms: effervesce, fizz, form bubbles, froth, sparkle