rubidium

n. 铷 [化] 铷Rb

发音

UK /ˌɹuːˈbɪd.i.əm/
其它
US

词形变化

rubidiums 复数 rubidiums

释义与例句

n.
  1. 1.

    The chemical element (symbol Rb) with an atomic number of 37. It is a soft, highly reactive alkali metal.

    铷

    不可数 可数
  2. 2.

    A single atom of this element.

    可数 不可数

词汇关系

名词

同义词 1

RB

上位词 1

metal

整体词 3

carnallite lepidolite pollucite

相关短语

rubidium oxide rubidium oxides rubidium nitrate rubidium chloride [化] 氯化铷 [医] 氯化铷

词源

A New Latin word derived by German chemist R. W. Bunsen in 1861, from Latin rūbidus (“red”) because its spectrum has two red lines.

来源：wiktionary