rubidium

Fetched 2026-10-26 (cache).

Synonyms: rubidic, rubidine, subilium, rubidoux

Antonyms: rubidic, rubidine, subilium, rubidoux

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{senseid|en|Q895}} {{lb|en|uncountable}} The [[chemical]] element (''symbol'' Rb) with an [[atomic number]] of 37. It is a [[soft]], highly [[reactive]] [[alkali metal]].
2. {{lb|en|countable}} A single [[atom]] of this element.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.