FERMENTATION n. 2 definitions
A state of agitation or excitement, as of the intellect or the feelings. It puts the soul to fermentation and activity. Jer. Taylor. A univesal fermentation of human thought and faith. C. Kingsley. Acetous, or Acetic, fermentation, a form of oxidation in which alcohol is converted into vinegar or acetic acid by the age…
FLOTATION PROCESS n.
A process of separating the substances contained in pulverized ore or the like by depositing the mixture on the surface of a flowing liquid, the substances that are quickly wet readily overcoming the surface tension of the liquid and sinking, the others flowing off in a film or slime on the surface, though, perhaps, h…