caesium

Fetched 2026-10-26 (cache).

Synonyms: cesium, caesius

Antonyms: cesium, caesius

Related words from Datamuse; suggestions, not definitions.

Noun

1. The [[chemical element]] (''symbol'' Cs) with an [[atomic number]] of 55. It is a [[soft]], [[gold]]-colored, highly [[reactive]] [[alkali metal]].

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