as in pipe
a long hollow cylinder for carrying a substance (as a liquid or gas)
a penstock carried water for the waterwheel
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Recent Examples of penstock
Brenda Burman, general manager of the Central Arizona Project, presented a diagram showing the dam’s eight large tubes, called penstocks, that water normally passes through, as well as the smaller outlet pipes that enable water releases at low reservoir levels.
—
Ian James, Los Angeles Times, 16 Apr. 2024
River water entered the powerhouse and fell down a system of 140-foot vertical pipes, called penstocks, one for each generator.
—Charles R. Morris, WSJ, 21 June 2018
The penstock flows powered the turbines that turned shafts activating the top-side generators.
—Charles R. Morris, WSJ, 21 June 2018
The reservoir can also be lowered by discharges through the dam’s power plant, but one of the two power plant outlets, known as penstocks, was shut down for routine maintenance of turbines.
—Ralph Vartabedian, latimes.com, 10 May 2017
Equipment: An intake gate called a penstock, valves and pressure gauges, turbine, switchgear, inverter, and electronics.
—Popular Mechanics Editors, Popular Mechanics, 6 Feb. 2017
Ian James, Los Angeles Times, 16 Apr. 2024
River water entered the powerhouse and fell down a system of 140-foot vertical pipes, called penstocks, one for each generator.
—Charles R. Morris, WSJ, 21 June 2018
The penstock flows powered the turbines that turned shafts activating the top-side generators.
—Charles R. Morris, WSJ, 21 June 2018
The reservoir can also be lowered by discharges through the dam’s power plant, but one of the two power plant outlets, known as penstocks, was shut down for routine maintenance of turbines.
—Ralph Vartabedian, latimes.com, 10 May 2017
Equipment: An intake gate called a penstock, valves and pressure gauges, turbine, switchgear, inverter, and electronics.
—Popular Mechanics Editors, Popular Mechanics, 6 Feb. 2017
Recent Examples of Synonyms for penstock
Noun
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Mastercard runs quantum-threat drills inside its Cybersecurity Fusion Centers and has already swapped post-quantum algorithms into some internal message pipes.—
Zennon Kapron,
Forbes.com,
13 June 2025
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Tasks included repairing barbed wire fences, castrating animals and laying irrigation pipes, the suit alleges.—
Tyler Kingkade,
NBC news,
12 June 2025
Noun
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In the late 2000s, both Ross’ crew and Cash Money were in Miami recording at Hit Factory, with Khaled serving as the conduit between them, passing tracks back and forth.—
Pitchfork,
Pitchfork,
6 June 2025
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Last month, a Los Angeles judge ruled that Sony was no longer obligated to provide episodes to CBS, which has served for decades as the conduit, delivering batches of episodes to television stations around the country.—
Meg James,
Los Angeles Times,
29 May 2025
Noun
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Purchase includes a glass testing tube as well as a bottle brush.—
BestReviews,
Chicago Tribune,
13 June 2025
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Portable air conditioner: These units will also have a tube for the exhaust that can run through any opening in your tent.—
BestReviews,
Mercury News,
12 June 2025
Noun
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Most of the group’s meetups are virtual: either via weekly video calls or messaging on the SDC Discord channel.—
Matt Villano,
CNN Money,
13 June 2025
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Along with cash prizes totaling $5,000, the winning designers will be featured on Coach and CLO’s media channels.—
Sarah Jones,
Sourcing Journal,
13 June 2025
Cite this Entry
“Penstock.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/penstock. Accessed 18 Jun. 2025.
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