noun
- a unit of explosive power equal to one million tons of TNT
Usage: military; nuclear weapons
Examples
- The nuclear bomb had a yield of 15 megatons.
- Scientists measured the explosion at 2.3 megatons.
- The weapon’s destructive power was rated in megatons.
- A one-megaton blast can destroy an entire city.
- The test produced a 50-megaton explosion.
- Military analysts discussed the megaton capacity of the warhead.