meg ‧ a ‧ ton /ˈmeɡətʌn/ BrE AmE noun [countable]
a unit for measuring the power of an explosive, equal to the power of one million ↑ ton s of ↑ TNT (=a powerful explosive) :
a five megaton atomic bomb
meg ‧ a ‧ ton /ˈmeɡətʌn/ BrE AmE noun [countable]
a unit for measuring the power of an explosive, equal to the power of one million ↑ ton s of ↑ TNT (=a powerful explosive) :
a five megaton atomic bomb
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012