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单词 paranaphthalene
释义

paranaphthalene

/ˌparəˈnafθəliːn/ /ˌparəˈnapθəliːn/
Chemistry. Now historical and rare
noun
An aromatic hydrocarbon discovered in coal tar, now called anthracene.

Origin

Mid 19th century; earliest use found in Thomas Thomson. From para- + naphthalene, after French paranaphtaline.

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更新时间:2024/12/22 19:22:02