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radioactivity

/ˌreɪ.di.əʊ.ækˈtɪv.ɪ.ti/

1 entry

noun

/ˌreɪ.di.əʊ.ækˈtɪv.ɪ.ti/C1formalscientific
  • ruСамопроизвольное испускание частиц или электромагнитного излучения при распаде нестабильных атомных ядер.

The spontaneous emission of particles or electromagnetic radiation from the decay of unstable atomic nuclei.

uncountable

  1. Spontaneous nuclear emissionB2formalscientific

    The process by which unstable atomic nuclei release energy in the form of particles or electromagnetic waves.

    ruРадиоактивность

    • Marie Curie's research on radioactivity revolutionized physics.
    • The Geiger counter detected high levels of radioactivity in the area.
    • Radioactivity is used in medical imaging to diagnose diseases.

    Synonymsdecayradioactive decay

Forms
  • radioactivities plural form
  • radioactivities' possessive plural form
  • radioactivity's possessive singular form