as in pipes
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 penstocks
Species stocked in Lake Powell for sporting purposes swam the reservoir for decades without creating a clear threat to the river below until the warm surface water sank nearer the hydropower intakes, called penstocks.
—
Brandon Loomis, AZCentral.com, 15 Dec. 2025
Brandon Loomis, AZCentral.com, 15 Dec. 2025
Recent Examples of Synonyms for penstocks
Noun
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Condensation develops on windows, mirrors, pipes, or other surfaces, caused by a difference in temperatures when humid air makes contact with cooler surfaces.—
Hallie Milstein,
Southern Living,
13 May 2026
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Concrete-block walls with pipes running down the tops of walls, piles of concrete, junk on top of junk.—
Ticked Off,
The Orlando Sentinel,
13 May 2026
Noun
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But there’s a semi-true idea that children are doing so at an incredibly rapid pace, and stories can be conduits for emotional growth, wonder, and empathy.—
Literary Hub,
Literary Hub,
7 May 2026
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Likewise, electrical conduits are hidden on the top of the beams and centered down the skylight to leave the focus on the old structure and new walls.—
Edward Keegan,
Chicago Tribune,
3 May 2026
Noun
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The year-round surf breaks—including the fast-barreling tubes of Cloud 9, some 30 minutes from the resort—draw most visitors to the island, and Nay Palad’s team has a Rolodex of pro surf instructors on call to show guests the best waves.—
Condé Nast,
Condé Nast Traveler,
18 May 2026
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When not in use, both tubes can be folded back against the helmet, lowering the center of gravity for greater comfort and reducing the risk of the device banging into door frames or vehicle hatches, which tends to make squad leaders rather cross.—
David Szondy
May 17,
New Atlas,
17 May 2026
Noun
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At the 12th-century church, the new iteration of Elegy mourning Palestine occupies five channels, while previous editions mourning the femicide and the Namibian genocide take up one and two, respectively.—
Harrison Jacobs,
ARTnews.com,
12 May 2026
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Light woods, clean lines, and a mix of indoor and outdoor lounge areas set a serene tone, with landscaped garden paths and a linear water feature—inspired by traditional irrigation channels—adding to the almost spa-like atmosphere.—
Lauren Dana Ellman,
Travel + Leisure,
12 May 2026
Noun
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Descaling and Unclogging Uses Use cleaning vinegar to unclog stubborn drains by adding 1 cup of baking soda to your drain followed by 1 cup of cleaning vinegar, says Dills.—
Alexandra Kelly,
Martha Stewart,
25 Jan. 2026
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Below, San Angelo gives us several methods for cleaning bathroom sink drains, her best tips on how to avoid a clogged bathroom sink, and what to avoid when cleaning your bathroom sink drain.—
Daley Quinn,
Southern Living,
27 Aug. 2025
Cite this Entry
“Penstocks.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/penstocks. Accessed 18 May. 2026.
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