单词 | anthraquinone |
释义 | Word Frequency anthraquinone(ˌænθrəkwɪˈnəʊn, -ˈkwɪnəʊn) noun a yellow crystalline solid used in the manufacture of dyes, esp anthraquinone dyes, which have excellent colour properties. Formula:C6H4(CO)2C6H4 Word origin C19: anthra(cene) + quinone |
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