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Definition of Atomic number 37
1. 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.
Exact synonyms: Rb, Rubidium
Generic synonyms: Metal, Metallic Element
Substance meronyms: Carnallite, Lepidolite, Pollucite
Generic synonyms: Metal, Metallic Element
Substance meronyms: Carnallite, Lepidolite, Pollucite