请输入您要查询的英文单词:

 

单词 codeine
释义 codeine Chem.|ˈkəʊdiːn, -ɪiːn, formerly -iːaɪn|
Also codeina.
[f. Gr. κώδεια head, poppy-head + -ine.]
A white crystalline alkaloid (C18H21NO3) contained in opium, and used as a hypnotic; discovered and named in 1832 by Robiquet of Paris.
1838T. Thomson Chem. Org. Bodies 250 Of Codeina.1881Nature XXIV. 293 M. Grimaux has succeeded in producing codeine, identical in properties with the naturally occurring alkaloid.
随便看

 

英语词典包含277258条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/12/22 14:05:58