ton-mile

== English == === Alternative forms === ton mile === Etymology === Compound of ton +‎ mile, although, as with any such unit of measure (e.g., person-months, newton metres), the mathematical relationship of multiplication is simultaneously involved: X tons transported a distance of Y miles = X × Y = Z ton-miles. Attested since the 19th century in railway logistical usage; greatly increased in use by the logistics boom of World War II and the continued postwar development of advanced logistics. === Noun === ton-mile (plural ton-miles) A unit of measure expressed in number of short tons moved over a specific distance in miles. Coordinate term: passenger-mile ==== Related terms ==== available ton mile ton mileage === References === “ton-mile”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022. === Anagrams === Lemniot, Montiel, Tomline