gigaton

plural gigatons · alternative gigatonne

1. A 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.)

   Meronyms: ton of TNT < kiloton < megaton

   1 more example

   Holonyms: teraton < petaton < exaton (rare) < zettaton (rare) < yottaton (rare)

2. One billion tons.
   1. One billion short tons (10⁹ × 2000 lb).
   2. One billion long tons (10⁹ × 2240 lb).
   3. One billion metric tons (10⁹ × 2204.6 lb).

      Meronyms: kiloton < megaton