English dictionary



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English noun: Rb

1. Rb (substance) 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


Synonymsatomic number 37, rubidium


Broader (hypernym)metal, metallic element


Substance meronymcarnallite, lepidolite, pollucite









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