英文字典中文字典51ZiDian.com
|
halogens n. 卤素 卤素 Chlorine \Chlo"rine\, n. [Gr. ? pale green, greenish yellow. So named from its color. See {Yellow}.] (Chem.) One of the elementary substances, commonly isolated as a greenish yellow gas, two and one half times as heavy as air, of an intensely disagreeable suffocating odor, and exceedingly poisonous. It is abundant in nature, the most important compound being common salt (Sodium chloride). It is powerful oxidizing, bleaching, and disinfecting agent. Symbol Cl. Atomic weight, 35.4. [1913 Webster] {Chlorine family}, the elements fluorine, chlorine, bromine, and iodine, called the {halogens}, and classed together from their common peculiarities. [1913 Webster]
请选择你想看的字典辞典:
|
安装中文字典英文字典查询工具!
英文字典中文字典相关资料:
|
中文字典-英文字典 2005-2009