natural yellow 8

1 definition found

natural yellow 8 - Collaborative International Dictionary of English v.0.48 :

  Morin \Mo"rin\, n. (Chem.)
     A yellow crystalline substance (C15H10O7) of acid
     properties extracted from fustic (Chlorophora tinctoria
     syn. Maclura tinctoria, formerly called Morus tinctoria);
     -- called also moric acid and natural yellow 8. It is
     used as a dye for wool, giving a color from lemon yellow
     through olive to olive brown, depending on the metal with
     which it is mordanted.
     [1913 Webster +PJC]