noun
EXAMPLES FROM CORPUS
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Each contained fifteen megatons of high explosive.
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Even if it were only a dozen, they could with megaton bombs inflict widespread devastation.
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Explosive energies in the kiloton to megaton range are possible.
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From inside the car came the deep bass rumble of a two megaton audio system.
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The third largest event in this run, the 27 megaton blast, occurs about every seven hundred years.
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The Western hemisphere would soon be in range of and vulnerable to Soviet intercontinental ballistic missiles, carrying megaton warheads.