Assertion: foam | /r/HasProperty | substance
Facets:
value: with so many tiny air bubbles
type: OTHER
Source sentences:
text: A foam is a substance that is formed by trapping many gas bubbles in a liquid or solid.
text: A foam is a substance that is formed by trapping pockets of gas in a liquid or solid.
text: Foam is a substance with so many tiny air bubbles that it becomes frothy or thick.