| 释义 |
cobalt bomb
cobalt bomb n 1. (Medicine) a cobalt-60 device used in radiotherapy 2. (Military) a nuclear weapon consisting of a hydrogen bomb encased in cobalt, which releases large quantities of radioactive cobalt-60 into the atmosphere cobalt bomb
cobalt bomb: see hydrogen bombhydrogen bomb
or H-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
..... Click the link for more information. .cobalt bomb[′kō‚bȯlt ‚bäm] (nucleonics) 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. (ordnance) A theoretical atomic or hydrogen bomb encased in cobalt, which cobalt would be transformed into deadly radioactive dust upon detonation. ThesaurusSeehydrogen bomb |