Porporino

1 definition found

From The Collaborative International Dictionary of English v.0.48 [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]