'Smithsonite' definitions:

Definition of 'Smithsonite'

From: GCIDE
  • Smithsonite \Smith"son*ite\, n. [See Smithsonian.] (Min.) Native zinc carbonate. It generally occurs in stalactitic, reniform, or botryoidal shapes, of a white to gray, green, or brown color. See Note under Calamine. [1913 Webster]