Definition of stopcock in English:

stopcock

Syllabification: stop·cock
Pronunciation: /ˈstäpˌkäk
 
/

noun

An externally operated valve regulating the flow of a liquid or gas through a pipe.
More example sentences
  • I tried to turn the mains off in the road and it would not turn right off so I had a constant flow of water coming through to the main stopcock inside my house.
  • Although pump mechanisms are a key element in the transport of fluids in medical applications, valves, stopcocks, lines, and other components are also critical flow-control elements.
  • The report states that some areas in the Zone 8 area have leaking pipes and stopcocks, and shortages of meter readers.

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