ruling grade

noun

Definition of ruling grade

: the grade on any particular road regarded as limiting the weight of a train that can be drawn by one engine — compare pusher grade

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First Known Use of ruling grade

1840, in the meaning defined above

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The first known use of ruling grade was in 1840

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Cite this Entry

“Ruling grade.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ruling%20grade. Accessed 26 Feb. 2020.

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