释义 |
pur·pu·rin \ˈpərpyərə̇n\ noun (-s) Etymology: Latin purpura + English -in 1. : an orange or red crystalline compound C14H5O2(OH)3 obtained from madder root along with alizarin or by oxidation of alizarin and used in dyeing; 1,2,4-trihydroxy-anthraquinone 2. also pur·pu·rine \“, -ˌrēn\ : any of various colored compounds obtained from chlorophyll or related compounds by the action of cold alcoholic alkali and oxygen and closely related to the chlorins |