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	neritic neritine nerium nerk nerka Nernst heat theorem Nernst potential Nernst's heat theorem Nernst's theorem Nernst theorem Nernst, Walther Hermann Nero nerol neroli neroli oil Neronian Neronic Neronism nerts nertz Neruda, Pablo nerval Nerva, Marcus Cocceius nervate nervation

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