| 单词 | alizarin |
| 释义 | alizarin /euh liz"euhr in/, n. Chem. a solid appearing reddish-orange as crystals and brownish-yellow as powder, C14H8O4, one of the earliest known dyes, formerly obtained in its natural state from madder and now derived from anthraquinone: used chiefly in the synthesis of other dyes. Also, alizarine /euh liz"euhr in, -euh reen'/. [1825-35; < F alizarine, equiv. to alizar(i) ( < Sp < Ar al the + 'asarah juice) + -ine -INE1] |
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