Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun foam

2 senses of foam

Sense 1
foam, froth -- (a mass of small bubbles formed in or on a liquid; "the beer had a thick head of foam")
       => bubble -- (a hollow globule of gas (e.g., air or carbon dioxide))

Sense 2
foam -- (a lightweight material in cellular form; made by introducing gas bubbles during manufacture)
       => material, stuff -- (the tangible substance that goes into the makeup of a physical object; "coal is a hard black material"; "wheat is the stuff they use to make bread")

Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb foam

1 sense of foam

Sense 1
foam, froth, fizz, effervesce, sparkle, form bubbles -- (become bubbly or frothy or foaming; "The boiling soup was frothing"; "The river was foaming"; "Sparkling water")
       => bubble -- (form, produce, or emit bubbles; "The soup was bubbling")