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.

present participle of froth up

Third-person singular simple present indicative form of froth at the mouth

present participle of froth at the mouth

(intransitive) To become frothy; to rise with a frothy surface or covered with something resembling froth.

Third-person singular simple present indicative form of froth up

plural of froth pack