noun
A unit of weight equal to 2,240 pounds (1,016 kg), used primarily in the UK and Commonwealth countries. In Japanese, it is a technical term often encountered in shipping, trade, or engineering contexts.
この船の積載量は5万重噸です。
This ship's cargo capacity is 50,000 long tons.
重噸はメートルトンとは異なります。
A long ton is different from a metric ton.