Cobalt-60

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    An isotope of cobalt, ⁶⁰₂₇Co, with a half-life of 5.2 years; it beta-decays into nickel-60 (⁶⁰Ni) and is a potent source of gamma rays. uncountable

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