dirty bomb

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dirty bomb

[¦dər·dē ′bäm]
(ordnance)
An explosive based on nuclear fission that emits many long-lived radioactive isotopes.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Since then, we've had increasing fears about terrorism, fears about dirty nukes, fears about super volcanoes in Yellowstone National Park, and, as Crichton argues, the pervasive fear of global warming.
For Washington, the challenge lies in determining whether or not the disclosures made by Libya and Iran reflect the full extent of their dealings with Pakistan; whether the transfer of technology by Pakistan did not extend to other countries in the Middle East, like Saudi Arabia for example; whether any Pakistani government in future would transfer nuclear expertise or technology if given the right price; and whether radical Islamist movements in Pakistan or Al Qaeda have got access to, or possession of, either nuclear bombs or radiological weapons ("dirty nukes").