'natural yellow 8' definitions:

Definition of 'natural yellow 8'

From: GCIDE

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]