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megaton |
Also found in: Dictionary/thesaurus, Hutchinson | 0.04 sec. |
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megaton 1. one million tons 2. an explosive power, esp of a nuclear weapon, equal to the power of one million tons of TNT megaton [′meg·ə‚tən] (physics) The energy released by 1,000,000 metric tons of chemical high explosive calculated at a rate of 1000 calories per gram, or a total of 4.18 × 1015joules; used principally in expressing the energy released by a nuclear bomb. Abbreviated MT. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| The number of nuclear weapons in its total inventory was one third less now than in 1967; some 8,000 fewer nuclear weapons were deployed now than in the late 1960s; its total megatonnage was one fourth of the 1960 total. |
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