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单词 benzoic
释义

benzoin /benˈzō-in or -zoin/

noun
  1. Gum benjamin, the aromatic and resinous juice of Styrax benzoin, a tree of Java and Sumatra, used in perfumery, incense, etc and as an expectorant, inhalant and antiseptic, the chief constituent of friar's balsam
  2. A former name for benzene
ORIGIN: In the 16c, benjoin, most prob through Ital from Ar lubān jāwī frankincense of Jawa (ie Sumatra)

benzoˈic adjective

Relating to benzoin, as in benzoic acid, C6H5COOH, found in benzoin and other gums

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更新时间:2024/9/22 21:22:52