vapor lock


Definition of vapor lock

: partial or complete interruption of flow of a fluid (such as fuel in an internal combustion engine) caused by the formation of bubbles of vapor in the feeding system

First Known Use of vapor lock

1926, in the meaning defined above

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The first known use of vapor lock was in 1926

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Cite this Entry

“Vapor lock.” Dictionary, Merriam-Webster, Accessed 25 Feb. 2020.

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