英语词汇“piperonal”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

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单词	piperonal
释义	WordReference Random House Unabridged Dictionary of American English © 2024 pi•per•o•nal (pi per′ə nal′, pī-, pip′ər ə-),USA pronunciation n. [Chem.] Chemistrya white, crystalline, water-insoluble aldehyde, C₈H₆O₃, which darkens on exposure to light: used chiefly in perfumery and organic synthesis. Also called piper′onyl al′dehyde, heliotropin. piper(ine) + -one + -al¹ 1865–70 Collins Concise English Dictionary © HarperCollins Publishers:: piperonal /ˈpɪpərəʊˌnæl/ n a white fragrant aldehyde used in flavourings, perfumery, and suntan lotions. Formula: C₈H₆O₃ Also called: heliotropin
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