a measure of explosive power equal to that of one million tons of TNT.
An explosive force equal to one million metric tons of TNT The energy released in the explosion of one megaton of TNT is equal to 4 2 x 1022 ergs.
The energy equivalent released by 1,000 kilotons of trinitrotoluene explosive Typically used as the unit of measurement to express the amount of energy released by a nuclear bomb. a measure of explosive power equal to that of one million tons of TNT. one million tons.