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gigaton
Definitions
[ˈɡɪɡətʌn], (Noun)
Definitions:
- a unit of explosive power equivalent to one (10⁹) billion tons of TNT
(e.g: Saturday's 8.8-magnitude quake unleashed about 50 gigatons of energy)
Phrases:
Origin
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Click here to see the free dictionary definition for gigaton
definition by Oxford Dictionaries