释义 |
pur·pu·ro·gal·lin \ˌpərpyərōˈgalə̇n\ noun (-s) Etymology: Latin purpura purple + English -o- + pyrogallol + -in : a red crystalline phenolic ketone dye C11H4O(OH)4 that occurs naturally in various plant galls as the diglucoside and is made synthetically by oxidation of pyrogallol |