vapour lock


  • WordNet 3.6
    • n vapour lock a stoppage in a pipeline caused by gas bubbles (especially a stoppage that develops in hot weather in an internal-combustion engine when fuel in the gas line boils and forms bubbles that block the flow of gasoline to the carburetor)
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In literature:

This thing that is meant for sereneness, to send up mild white vapours among mild white hairs, not among torn iron-grey locks like mine.
"Moby Dick; or The Whale" by Herman Melville