vapor lock

vapor lock

n.

A pocket of vaporized gasoline in the fuel line of an internal-combustion engine that obstructs the normal flow of fuel.

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vapor-lock (vpr-lk) v.

Thesaurus

Noun

1.

vapor 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) vapour lock blockage, stoppage, occlusion, closure, block, stop - an obstruction in a pipe or tube; "we had to call a plumber to clear out the blockage in the drainpipe"