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/ˈpɛtkɒk/ · noun
A small valve, spout, or faucet operated by hand, usually used to release pressure or drain fluid..
The shutoff valve (petcock) is usually located on the gas pipe on the supply side of the meter.
The doctor placed the rubber mask over her face and turned a dial and I watched Catherine breathing deeply and rapidly. Then she pushed the mask away. The doctor shut off the petcock.
Use petcock when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Petcock means A small valve, spout, or faucet operated by hand, usually used to release pressure or drain fluid..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
The shutoff valve (petcock) is usually located on the gas pipe on the supply side of the meter.
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