【化】 leuco dye
concealed; dormant; latent【医】 crypt-; krypto-
color; expression; hue; kind; quality; scene; woman's looks【医】 chrom-; chromato-; chromo-; color
coloring matter; dye; dyestuff; tincture【化】 dye; dyestuff【医】 dye; dyestuff; stain