foam / (figuratively) unimportant or insubstantial talk, events, or actions; drivel / The idle rich; / (business) Highly speculative investment.

(transitive) To create froth in (a liquid). / (intransitive) (of a liquid) To bubble. / (transitive) To spit, vent, or eject, as froth.

Third-person singular simple present indicative form of froth

simple past tense and past participle of froth

present participle of froth

The act of something that froths.

plural of frothing

(construction) A small, disposable aerosol can containing spray polyurethane foam (SPF) components.

A process for selectively separating hydrophobic materials from hydrophilic, by first grinding the ore and mixing it with water, and then adding a surfactant.

To spew saliva as froth. / (figuratively) To rage, to vent one's anger.