单词 | alizarin |
释义 | Word Frequency alizarin(əˈlɪzərɪn) noun a brownish-yellow powder or orange-red crystalline solid used as a dye and in the manufacture of other dyes. Formula: C6H4(CO)2C6H2(OH)2 Word origin C19: probably from French alizarine, probably from Arabic al-’asārah the juice, from ’asara to squeeze |
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