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cobalt bomb:see hydrogen bombhydrogen bomb
weapon deriving a large portion of its energy from the nuclear fusion of hydrogen isotopes. In an atomic bomb, uranium or plutonium is split into lighter elements that together weigh less than the original atoms, the remainder of the mass
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cobalt bomb[′kō‚bȯlt ‚bäm]
A quantity of cobalt-60 mounted in a housing with walls having up to 8 inches (20 centimeters) of lead for protection, and with means for removing a lead plug to release a beam of gamma rays for use in cobalt-beam therapy.
A theoretical atomic or hydrogen bomb encased in cobalt, which cobalt would be transformed into deadly radioactive dust upon detonation.