benzoin
/ˈbenzəʊɪn/noun
mass noun
1
- （亦作gum benzoin）a fragrant gum resin obtained from a tropical East Asian tree, used in medicines, perfumes, and incense安息香。亦称GUM BENJAMIN.
1.1
- This is obtained from several species of the genus Styrax (family Styracaceae), in particular S. benzoin.从安息香科安息香属数种, 尤从安息香中提取。
2
- Chemistry a white crystalline aromatic ketone present in this resin【化】安息香胶。
2.1
- Alternative name: 2-hydroxy-1,2-diphenylethanone; chem. formula: C6H5CHOHCOC6H5.又名：苯偶姻, 二苯乙醇酮; 化学分子式： C6H5CHOHCOC6H5.
词源
mid 16th cent.: from French benjoin, based on Arabic lubānjāwī 'incense of Java'.