单词	coumarone
释义	coumarone /ˈkuːmərəʊn / noun [mass noun] Chemistry An organic compound present in coal tar, used to make thermoplastic resins for paints and varnishes. A bicyclic compound with fused benzene and furan rings; chemical formula: C8H6O. Origin Late 19th century: from coumarin + -one.
随便看	myotonia congenita myotonia dystrophica myotonic myotonic dystrophy myotrophin myotube my pleasure MYR myrbane myrcene Myrdal, Alva Myrdal, Gunnar myriachit myriad myriadfold myriad-minded myriadth myriagon myriameter myriametre myriametric myriapod Myriapoda myriapodan myriarch

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