as in valve
a fixture for controlling the flow of a liquid a mechanical engineer who designs industrial valves and stopcocks

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of stopcock Levers, stopcocks, switches and buttons sent decisions back out. The Economist, 18 Dec. 2019
Recent Examples of Synonyms for stopcock
valve
Noun
  • The drain outlets feature 40-mm valves for attaching a hose to better manage and direct the drainage flow or connect to a campsite drainage hookup.
    New Atlas, New Atlas, 31 Oct. 2025
  • Additionally, drivers are advised to check tire pressure after tires have cooled, typically three hours after driving, then remove the valve stem cap and press the gauge to the system.
    Stuart Dyos, USA Today, 30 Oct. 2025

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“Stopcock.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/stopcock. Accessed 8 Nov. 2025.

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