vapour lock

Từ điển WordNet v3.1 - WordNet Dictionary

noun

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)
• Syn:
vapor lock
• Hypernyms:
blockage, block, closure, occlusion, stop, stoppage