megaton

Other forms: megatons

Definitions of megaton
  1. noun
    one million tons
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    type of:
    avoirdupois unit
    any of the units of the avoirdupois system of weights
  2. noun
    a measure of explosive power (of an atomic weapon) equal to that of one million tons of TNT
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    type of:
    explosive unit
    any unit for measuring the force of explosions
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