vapor lock
noun
: 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
Examples of vapor lock in a Sentence
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During the nine-day flight, Voyager encountered oil problems, a faulty fuel gauge and finally, yesterday morning, a vapor lock that conked out the rear engine for five minutes.
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San Diego Union-Tribune, 24 Dec. 2021
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San Diego Union-Tribune, 24 Dec. 2021
Cite this Entry
“Vapor lock.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vapor%20lock. Accessed 17 Jun. 2025.
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