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单词 xanthone
释义 xanthone Chem.|ˈzænθəʊn|
[f. Gr. ξανθός yellow + -one.]
A compound which forms the basis of various natural colouring matters.
1894Muir & Morley Watts' Dict. Chem. IV. 867 Xanthone is Diphenylene ketone oxide.
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