megaton Syllabification: (meg·a·ton)Pronunciation: /ˈmegəˌtən/ (abbreviation: MT)Definition of megaton noun a unit of explosive power chiefly used for nuclear weapons, equivalent to one million tons of TNT:H-bombs of fifteen megatons eachDerivatives megatonnagePronunciation: /ˌmegəˈtənij/ noun megaton in other Oxford dictionaries Definition of megaton in the British & World English dictionary
