fermium C2 Topic:Materials & Substances US /ˈfɜːɹmiəm/ UK /ˈfɜː.mi.əm/ See IPA manual Freq #326062 Meanings 1 noun a synthetic radioactive chemical element with atomic number 100 and symbol Fm Only minute quantities of fermium can be produced for laboratory study. Thesaurus Word family Related forms actinidetransuranicradioactivity Etymology Formed from Fermi + -ium and named for Italian-American physicist Enrico Fermi. The element was discovered in debris from the first thermonuclear explosion in 1952. Topics Materials & Substances External links Cambridge Dictionary Wiktionary Google Images # fermium **Type:** Word **Level:** C2 **Part of speech:** noun **IPA (US):** /ˈfɜːɹmiəm/ **IPA (UK):** /ˈfɜː.mi.əm/ **Frequency rank:** 326062 ## Meanings 1. a synthetic radioactive chemical element with atomic number 100 and symbol Fm ## Examples - Only minute quantities of fermium can be produced for laboratory study. ## Related Forms - actinide - transuranic - radioactivity ## Etymology Formed from Fermi + -ium and named for Italian-American physicist Enrico Fermi. The element was discovered in debris from the first thermonuclear explosion in 1952. ## Topics - Materials & Substances markdown