Added 10 October 2026
francium
/ˈfɹansɪəm/ noun
noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about francium at Wordnik → Where our words come from →
- A radioactive element of the alkali-metal group discovered as a disintegration product of actinium.
Origin
From French francium, from France + -ium (after the native country of Marguerite Perey).
From Wiktionary, via Kaikki.org (CC BY-SA)