Definitions

from The Century Dictionary.

  • noun Same as radioactivity.

Etymologies

Sorry, no etymologies found.

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Examples

  • He went on with the business of flushing the air out through the outer valve, repeating it several times to permit the level of radioaction to drop to something a man might stand under suitable armor.

    The Past Through Tomorrow Heinlein, Robert A. 1967

  • Soon. joeldermole: Wishes he could press the "reset" button about every 30 minutes. benboychuk: @radioaction I'll try it, thanks.

    Infinite Monkeys - "...a sparkly blog..." - James Lileks 2008

  • "Sure, sure," he agreed irritatedly, "provided you never take it off to eat, or to drink or for any purpose whatever, until the radioaction has ceased, or you are out of the danger zone.

    The Worlds Of Robert A Heinlein Heinlein, Robert A. 1966

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