back draft


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.” Dictionary, Merriam-Webster, Accessed 24 Jan. 2021.

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