释义 |
xan·thone \ˈzanˌthōn\ noun (-s) Etymology: International Scientific Vocabulary xanth- + -one : a crystalline ketone C6H4(CO)(O)C6H4 that is the parent of several natural yellow pigments (as gentisin), that is usually obtained by distilling phenyl salicylate, and that gives a yellow solution with pale blue fluorescence in sulfuric acid; xanthen-9-one |