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

Every once in a while, you let a word or phrase out and you want to catch it and bring it back. You can't do that. It's gone, gone forever.
Dan Quayle