rb

What does rb mean?

rb means "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".

How many syllables are in rb?

rb has 1 syllable: rb.

What is another word for rb?

Close synonyms include rubidium, atomic number 37. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is rb a common word?

rb is banded "Familiar" — widely understood, used when the subject calls for it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.

Definitions, synonyms and semantic relations for rb come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.