• synonyms


  1. a unit of freight transportation measurement equivalent to a ton of freight transported one mile.
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Origin of ton-mile

First recorded in 1900–05
Related formston-mile·age, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for ton-mile

Historical Examples of ton-mile

  • Similarly the ton-mile is the unit of freight transportation.

    The Railroad Problem

    Edward Hungerford

  • The longer the haul, the lower the ton-mile cost as a matter of necessity.

  • Obviously, the ton-mile rate steadily falls within such a group with progressive remoteness.

  • The movement of average trainloads in connection with ton-mile revenue bears upon this point.