Wiktionary
megatonne
n. (alternative spelling of megaton English)
Wikipedia
Megatonne
Usage examples of "megatonne".
The megatonnes of concrete, rock, and steel armoring their weapons glowed and fused, yet die infidels seemed to have no deep-earth penetrators, and surface bursts lacked the power to punch through and disembowel the forts.
He felt hemmed in by the unthinkable megatonnes of rock looming hundreds of metres over his head, while simultaneously racked with vertigo as they ascended the scaffolding high up the side of the object.
That was common in the Dales, with multiple megatonnes of water coming down off the Drakon slopes every year and hundreds of thousands of square kilometers of old marine limestones to run through.