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[tuhn-mahyl] /ˈtʌnˈmaɪl/
a unit of freight transportation measurement equivalent to a ton of freight transported one mile.
Origin of ton-mile
Related forms
ton-mileage, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for ton-mile
  • ton-mile measures were estimated on an annual basis in order to illustrate long-term trends.
  • The first of these measures, cost of highway freight per ton-mile, is certainly a useful measure.
  • If weight is determined for a bridge crossing, the additional ton-mile fee may be charged.
  • The cost per segment-ton-mile to operate and maintain some inland waterways is relatively high.
  • Rail transportation per ton-mile requires less fuel and produces less pollution than other forms of transportation.
  • See, for example, ton-mile tax and weight-distance tax.

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