Megaton Definition
 mĕgə-tŭn 
  megatons
  
    noun
  
 The explosive force of one million tons of TNT: a unit for measuring the power of thermonuclear weapons.
 Webster's New World 
Other Word Forms of Megaton
Noun
Singular:
 megatonPlural:
 megatonsOrigin of Megaton
-  metric prefix mega- +"Ž ton From Wiktionary 
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