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单词 benzoin
释义

WordReference Random House Unabridged Dictionary of American English © 2024
ben•zo•in1  (benzō in, -zoin, ben zōin),USA pronunciation n. 
  1. Also called gum benjamin, gum benzoin. a reddish-brown, aromatic balsamic resin occurring in almondlike fragments and having a vanillalike odor, obtained from trees of the genus Styrax, esp. S. benzoin, of Java, Sumatra, etc.: used in the manufacture of perfume and cosmetics and in medicine internally as an expectorant and externally as an antiseptic.
  2. Plant BiologyAlso called benjamin, benjamin-bush. any plant belonging to the genus Lindera (Benzoin), of the laurel family, including the spicebush and similar aromatic plants.
  • Italian benzoi Arabic
  • Arabic lubān jāwī frankincense of Java (lu- probably constructed as the definite article); z of benzoin
  • Portuguese beijoim and Spanish benjuí
  • Middle French
  • earlier benjoin 1550–60

ben•zo•in2  (benzō in, -zoin, ben zōin),USA pronunciation n. [Chem.]
  1. Chemistrya white, slightly water-soluble powder, C14H12O2, derived by the condensation of benzaldehyde in the presence of potassium cyanide, and used in organic synthesis.
  • benzo- + -in2

Collins Concise English Dictionary © HarperCollins Publishers::
benzoin /ˈbɛnzɔɪn -zəʊɪn; bɛnˈzəʊɪn/ n

  1. Also called: benjamin a gum resin containing benzoic acid, obtained from various trees of the genus Styrax, esp S. benzoin of Java and Sumatra, and used in ointments, perfume, etc
Etymology: 16th Century: from French benjoin, from Old Catalan benjui, from Arabic lubān jāwī, literally: frankincense of Java
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更新时间:2024/9/21 18:56:36