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English definition of “megaton”

megaton

noun [C]     /ˈmeɡ.ə.tʌn/
a unit that has the same value as the force produced by 1,000,000 tons of TNT (= an explosive), used for measuring the power of explosions, especially nuclear explosionsMeasurements in generalExplosives in general
(Definition of megaton noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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