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Radioactive

//ˌɹeɪdiəʊˈaktɪv// adj, noun

Definitions

Adjective
  1. 1
    Exhibiting radioactivity.

    "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."

  2. 2
    Dangerous and disgusting, particularly of people or ideas. figuratively, rare

    "Even sleazy tactics and his radioactive mouth may not be able to contain this debacle."

Adjective
  1. 1
    exhibiting or caused by radioactivity wordnet
Noun
  1. 1
    Any radioactive substance.

    "Any ship nearby will receive a lethal dose of gamma rays, neutrons, and other radioactives."

Etymology

Etymology 1

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

Etymology 2

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

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