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SINCE 1828
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back draft

noun
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Definition of back draft

: an explosion of the gaseous products of incomplete combustion in admixture with air sometimes occurring during a fire (as in a building or mine)

— called also smoke explosion

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First Known Use of back draft

1897, in the meaning defined above

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The first known use of back draft was in 1897

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Cite this Entry

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

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