| 单词 | gigaton | 
| 释义 | gigaton in British English (ˈɡɪɡəˌtʌn) noun a unit of explosive force equal to 109 tons gigaton in American English (ˈgɪgəˌtʌn; ˈdʒɪgəˌtʌn)  noun   the explosive force of one billion tons of TNT: a unit for measuring the power of thermonuclear weapons  abbrev. GT Word origin  giga- +  ton2 | 
	
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