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tractive ‎(not comparable)

  1. Pertaining to traction.
    This locomotive develops 130,000 pounds of tractive effort.
    • 1912, Flight [1]
      The outer third of the wing of a vulture consists of the wing tips. The inner two-thirds of the wing are cambered (when the wing is extended), and are concerned with lifting effort in unsoarable air and with lifting and tractive effort in soarable air.

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