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…
GOLD n.
d beater's skin, the prepared outside membrane of the large intestine of the ox, used for separating the leaves of metal during the process of gold-beating. -- Gold beetle (Zoöl.), any small gold-colored beetle of the family Chrysomelidæ; -- called also golden beetle. -- Gold blocking, printing with gold leaf, as upo…