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单词	alizarin
释义	alizarin noun aliz·​a·​rin ə-ˈli-zə-rən  1 : an orange or red crystalline compound C14H8O4 formerly prepared from madder and now made synthetically and used especially to dye Turkey reds and in making red pigments 2 : any of various acid, mordant, and solvent dyes derived like alizarin proper from anthraquinone Word History Etymology probably from French alizarine First Known Use 1827, in the meaning defined at sense 1 Medical Definition alizarin noun aliz·​a·​rin ə-ˈliz-ə-rən  variants also alizarine -rən, -ˌrēn  1 : an orange or red crystalline compound C14H8O4 formerly prepared from madder and now made synthetically from anthraquinone that was formerly used in dyeing but is now used more in making red pigments 2 : any of a group of dyes that are similar to alizarin in dyeing properties or derivation
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