Fermium

//ˈfɜːɹmiəm// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A transuranic chemical element (symbol Fm) with an atomic number of 100. uncountable
  2. 2
    a radioactive transuranic metallic element produced by bombarding plutonium with neutrons wordnet

Synonyms

All synonyms
atomic number 100elementfmradioelementradiumsilver

Etymology

From Fermi + -ium; named for Enrico Fermi.

Related phrases

fermium gapatomic number

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.