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SINCE 1828
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back run

noun
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Definition of back run

: the period in an industrial process in which the flow of materials (as of steam and gas in water-gas manufacture) is reversed

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First Known Use of back run

1927, in the meaning defined above

History and Etymology for back run

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Time Traveler for back run

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The first known use of back run was in 1927

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Cite this Entry

“Back run.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/back%20run. Accessed 11 December 2019.

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