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artificial radioactivity

American  

noun

Physics.
  1. radioactivity introduced into a nonradioactive substance by bombarding the substance with charged particles.


Example Sentences

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Nobelman Robert Andrews Millikan was 'there to talk about cosmic rays, show the latest apparatus for research in artificial radioactivity.

From Time Magazine Archive

The story concerned University of California's Ernest Orlando Lawrence, No. 1 U. S. experimenter in artificial radioactivity, whose 85-ton electromagnet frequently makes scientific news.

From Time Magazine Archive

The flood of reports made it appear that atomic physicists are off on the biggest big-game hunt since the discovery of artificial radioactivity was announced in 1934.

From Time Magazine Archive

Dr. Lawrence and his associates have done the most intensive work in the U.S. on artificial radioactivity.

From Time Magazine Archive

Lawrence replied defensively that “the radio-sodium experiments were instigated by me alone,” adding, “I did suggest looking for artificial radioactivity this way and actively supervised the experiments.”

From "Big Science" by Michael Hiltzik

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