In refrigeration and air conditioning, a unit of thermal power defined as 12,000 BTU/h (about 3.514 kW or 3024 kcal/h), originally the rate of cooling provided by uniform isothermal melting of one short ton of ice per day at 32 °F (0 °C).
“Fishermen who want to trade up and buy a bigger boat usually scrap their existing vessel and buy extra tonnage from the market.”
“Cargo tonnage also rose by 2.9 per cent in May, with 15, 801 tonnes handled by the airport.”
“Gravel pits, marl pits and stone quarries were also an early source of freight tonnage as was cement.”
tonne
A tonne (about 2204.6 pounds) is not exactly the same as a long ton (2240 pounds). Because "ton" and "tonne" usually have the same pronunciation, the phrase "metric ton" is frequently used for "tonne" where disambiguation is required.
In the 1970s the British steel industry promoted the pronunciation /ˈtʌni/ to help avoid confusion. The pronunciation /tɒn/ has also been used for the same reason.
“Total tonnages of all grains for the region by the end of last week stood at 208,000 tonnes.”
“In India, on the other hand, vast tonnages of cashew apples have largely gone to waste while that country pioneered in the utilization and promotion of the nut.”