madder

n [U] (red dye obtained from the root of a) climbing plant with yellowish flowers 茜草; 茜草染料.

mackerel, mackerel sky, mackintosh, macro-, macrobiotic, macrobiotics, macrocosm, macroeconomics, macronutriment, macroscopic, macroscopical, maculate, mad, Madagascar, madam, Madame, madcap, madden, maddening, maddeningly, made, made up of, Madeira, Madeira cake, madhouse, madly, madman, madness, Madonna, madre snaturale, Madrid, madrigal, maelstrom, maestro, Mafia, Mafioso, magazine, magenta, maggot, maggoty,