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radioactive

From Wiktionary, the free dictionary

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See also: radioactivé

English

Alternative forms

Etymology

Coined by Pierre Curie and Marie Curie in 1898 as French radio-actif, equivalent to English radio- +‎ active.

Pronunciation

Adjective

radioactive (comparative more radioactive, superlative most radioactive)

  1. Exhibiting radioactivity.
    • 1917, H. G. Wells, “The First Vision”, in The Soul of a Bishop‎:
      As a matter of fact many of our best drinking waters have all sorts of unspecified qualities. Burton water, for example, is radioactive by Beetham's standards up to the ninth degree.
    • 2020 March 8, Jacopo Prisco, “When beauty products were radioactive”, in CNN‎:
      Today, no one would intentionally smear radioactive materials on their face, but in 1933, the dangers of radioactivity were not yet fully understood.
  2. (figurative, rare) Dangerous and disgusting, particularly of people or ideas.
    Even sleazy tactics and his radioactive mouth may not be able to contain this debacle.
    • 2009, Michela Wrong, It’s Our Turn to Eat: The Story of a Kenyan Whistle Blower:
      It was as though he was possessed of an invisible aura repelling incoming bodies. ‘Look. No one wants to be associated with him now. He’s become radioactive.’
    • 2020 November 30, Burgess Everett, Caitlin Emma, Theodoric Meyer, quoting John Cornyn, “Joe Biden's 'radioactive' nominee”, in POLITICO‎, archived from the original on 2 December 2020:
      And while Biden’s other nominees have done little to provoke Republican backlash thus far, [Neera] Tanden is “radioactive,” as Sen. John Cornyn (R-Texas) put it.
    • 2022 April 4, Gail Collins, Bret Stephens, “Which ‘Radioactive Republicans’ Are We Betting On?”, in The New York Times‎, →ISSN, archived from the original on 6 April 2022:
      If, by some miracle, Democrats hang on to one or both houses of Congress this November, it will be because of Cawthorn, Paul Gosar, Marjorie Taylor Greene, Lauren Boebert and other would-be G.O.P. candidates trying to be just like them — the Radioactive Republicans.

radioactive

Derived terms

Translations

Noun

radioactive (plural radioactives)

  1. Any radioactive substance.
    • 2016, Travis S. Taylor, Les Johnson, On to the Asteroid:
      Any ship nearby will receive a lethal dose of gamma rays, neutrons, and other radioactives.

Further reading

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French

Pronunciation

Adjective

radioactive

  1. feminine singular of radioactif

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