gigaton Hear it!

gigaton definition

giga·ton (gig′ə tun′, jig′-)

noun

the explosive force of one billion tons of TNT: a unit for measuring the power of thermonuclear weapons: abbrev. GT

Etymology: giga- + ton

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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