A white coating or discoloration produced on the surface of various metals by exposure to moist air or other corrosive agents; esp. (in early use)…

a white, crystalline, deliquescent solid, ZnCl2, used as a preservative, a flux, and in Leclanché cells.

a yellow, water-insoluble powder, ZnS, used as a pigment and as a phosphor.

zinc in the form of fine powder (often mixed with zinc oxide and other impurities), obtained by grinding, or in the extraction of zinc from its…