请输入您要查询的英文单词:

 

单词 ion
释义 ion
\ˈīən also ˈīˌän\ noun
(-s)
Etymology: Greek, neuter of iōn, present participle of ienai to go — more at issue
1. : an atom or group of atoms when combined in a radical or molecule that carries a positive or negative electric charge as a result of having lost or gained one or more electrons and that may exist in solution usually in combination with molecules of the solvent or out of solution, that may be formed during electrolysis and migrate to the electrode of opposite charge, or that may be formed in a gas and be capable of carrying an electric current through the gas — see anion, cation; compare hydrogen ion
2. : a free electron or other charged subatomic particle
随便看

 

英语词典包含332784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:2024/12/24 9:42:08