释义 |
gal·le·in \ˈgalēə̇n, ˈgȯl-\ noun (-s) Etymology: International Scientific Vocabulary gall- + phthalein; originally formed in German : a metallic-green crystalline phthalein dye C20H12O7 made from phthalic anhydride and gallic acid or pyrogallol and used especially in dyeing violet and as an indicator |