请输入您要查询的英文单词:

 

单词 potassamine
释义

potassaminen.

Origin: Formed within English, by compounding. Etymons: potassium n., amine n.
Etymology: < potass- (in potassium n.) + amine n. Compare earlier potassamide n. N.E.D. (1907) gives the pronunciation as (potæ·săməin) /pə(ʊ)ˈtæsəmaɪn/.
Chemistry. Obsolete.
= potassamide n.
ΘΚΠ
the world > matter > chemistry > organic chemistry > amides > [noun] > potassamide
potassamide1838
potassamine1868
1868 H. B. Jones & H. Watts Fownes's Man. Elem. Chem. (ed. 10) 242 When potassium is heated in ammonia gas, a compound called potassamine is formed.
1880 Libr. Universal Knowl. XII. 373 The univalent radical, amidogen, NH2,..with one molecule of potassium forms potassamine, NH2K.
This entry has been updated (OED Third Edition, December 2006; most recently modified version published online June 2018).
<
n.1868
随便看

 

英语词典包含1132095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:2024/12/25 0:11:00