a metric unit of mass equal to 1015 grams or 1 gigatonne (one billion metric tons). This unit is used in atmospheric science and other scientific contexts where large masses are considered.

Dictionary of units of measurement. 2015.

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  • TNT equivalent — Kiloton redirects here. For the similarly named weight measurements, see Tonne. For the similarly spelled Transformers character, see Megatron. For UK kids gaming magazine, see Megaton (Magazine). Diagram of explosive yield vs mushroom cloud… …   Wikipedia

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