dirty bomb


noun

a nuclear warhead designed to produce a great amount of radioactive debris by use of a fusion core, fission trigger, and casing of uranium-238.

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British Dictionary definitions for dirty bomb

dirty bomb

noun

informal a bomb made from nuclear waste combined with conventional explosives that is capable of spreading radioactive material over a very wide area
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012