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rb

'ɑr'bi

Synonyms of rb Antonyms of rb Examples of rb Usage of rb Parts of rb Definition that contains rb Words sounding like rb Explanation of rb

noun
a soft silvery metallic element of the alkali metal group; burns in air and reacts violently in water; occurs in carnallite and lepidolite and pollucite
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Similar:

atomic number 37 rubidium

type of:
metal metallic element

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