rubidium

1. (uncountable) The chemical element (symbol Rb) with an atomic number of 37. It is a soft, highly reactive alkali metal.
2. (countable) A single atom of this element.

Pronounced as (IPA)

/ˌɹuːˈbɪd.i.əm/

Etymology

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

Synonyms

Rb

atomic number 37

ruby

Translations

rubidium

Rubidium

rubidio

rubídio

rubidio

rubid

rubidium

rubidi

روبيديوم

ρουβίδιο

rubidyum

rubidium

rûbîdyûm

rubidi

Rb