morus tinctoria

2 definitions found

morus tinctoria - Collaborative International Dictionary of English v.0.48 :

  Morintannic \Mo`rin*tan"nic\, a. [NL. Morus fustic + E. tannic.]
     (Chem.)
     Pertaining to, or designating, a variety of tannic acid
     extracted from fustic (Chlorophora tinctoria, formerly
     Maclura tinctoria and Morus tinctoria) as a yellow
     crystalline substance; -- called also maclurin.
     [1913 Webster]

  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]