[{"Bold_text": "noun", "List Items": ["a collection of minute bubbles formed on the surface of a liquid by agitation, fermentation, etc.:foam on a glass of beer.Synonyms: scum , fizz , head , spume , froth", "the froth of perspiration, caused by great exertion, formed on the skin of a horse or other animal.", "froth formed from saliva in the mouth, as in epilepsy and rabies.", "a thick frothy substance, as shaving cream.", "(in firefighting)a chemically produced substance that smothers the flames on a burning liquid by forming a layer of minute, stable, heat-resistant bubbles on the liquid's .the layer of bubbles so formed.", "a chemically produced substance that smothers the flames on a burning liquid by forming a layer of minute, stable, heat-resistant bubbles on the liquid's .", "the layer of bubbles so formed.", "a dispersion of gas bubbles in a solid, as foam glass, foam rubber, polyfoam, or foamed metal.", "Literary.the sea."]}, {"Bold_text": "verb (used without object)", "List Items": ["to form or gather foam; emit foam; froth."]}, {"Bold_text": "verb (used with object)", "List Items": ["to cause to foam.", "to cover with foam; apply foam to:to foam a runway before an emergency landing.", "to insulate with foam.", "to make (plastic, metal, etc.) into a foam."]}]