Radio-activity

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Dated form of radioactivity. alt-of, dated, uncountable

Synonyms

All synonyms
radiationactivityartificial radioactivitycontaminationcuriagedecay

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