RB

Noun

Meaning

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

Source: WordNet

Synonyms

rubidium ruby robin red rubber rhythm rebel ribbon rampant rubble rebound radiant ravenous ravishing robot
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Hypernyms

metal metallic element

Close letter words and terms

razzleberry razzled razzmatazz Rb-Sr RBA RBAC