释义 |
ca·chou de la·val \-dələˈval\ noun Usage: usually capitalized C&L Etymology: French, from Laval, city in France, place of its first manufacture : a direct dark brown dye for cotton obtained as the first sulfur dye by heating organic materials (as sawdust or bran) with sulfur and sodium sulfide — see dye table I (under Sulfur Brown 1) |