Definitions
1.NounA measure of the strength of an explosion or a bomb based on how many billion tons of TNT would be needed to produce the same energy. (A derived unit for TNT equivalent.)
2.NounOne billion tons.
One billion short tons (10⁹ × 2000 lb).
One billion long tons (10⁹ × 2240 lb).
One billion metric tons (10⁹ × 2204.6 lb).
3.NounOne billion short tons (10⁹ × 2000 lb).
4.NounOne billion long tons (10⁹ × 2240 lb).
5.NounOne billion metric tons (10⁹ × 2204.6 lb).