from The Century Dictionary and Cyclopedia
- n. Forty cubic feet of cargo: frequently used as the basis of freight charges in ocean transportation of light bulky goods irrespective of their actual weight. See ton, 2 .
Sorry, no etymologies found.
Air cargo volumes, measured by freight-ton kilometers shipped, began falling last June, months before passenger volumes did and the global economy slipped into recession, IATA said.
These modifications provide vastly improved capacity, speed, and reliability, and they reduce energy requirements per freight-ton.