RB

rubidium, Rb, atomic number

(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

Source: WordNet® 3.1



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Word of the Day

29 March 2024

FAULTFINDING

(adjective) tending to make moral judgments or judgments based on personal opinions; “a counselor tries not to be faultfinding”


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Coffee Trivia

The New York Stock Exchange started out as a coffee house.

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