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gigaton

[gig-uh-tuhn, jig-] /ˈgɪg əˌtʌn, ˈdʒɪg-/
noun
1.
one billion tons.
Abbreviation: GT.
Origin
giga- + ton1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for gigaton
  • Thats especially true for craters produced by multi-megaton or gigaton impacts.
Word Origin and History for gigaton
n.

by 1977, from giga- + ton.

Online Etymology Dictionary, © 2010 Douglas Harper
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Word Value for gigaton

9
12
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