Associations to the word «Rb»

Wiktionary

RB, symbol. (element symbol) Symbol for rubidium.

Dictionary definition

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.

Wise words

A word is not a crystal, transparent and unchanged; it is the skin of a living thought and may vary greatly in color and content according to the circumstances and time in which it is used.
Oliver Wendell Holmes, Jr.