Definition of calamines:
(n) :
(inorganic chemistry) Synonym of smithsonite, a pink form of zinc oxide (mainly zinc carbonate ZnCO₃) formed as a byproduct of zinc sublimation, now used in skin lotions.
(n) :
(mineralogy) Synonym of hemimorphite, an orthorhombic-pyramidal mineral containing zinc.
(v) :
(transitive) To coat or treat with calamine.