'Porporino' definitions:

Definition of 'Porporino'

From: GCIDE
  • Porporino \Por`po*ri"no\, n. [It.] A composition of quicksilver, tin, and sulphur, forming a yellow powder, sometimes used by medi[ae]val artists, for the sake of economy, instead of gold. --Fairholt. [1913 Webster]