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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Example Sentences
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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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Maintaining these pipes requires dismantling the equipment, which is time-consuming and costly.—
Atharva Gosavi,
Interesting Engineering,
5 Mar. 2026
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Little filth flies such as drain flies breed in sludge and decaying matter that can build up in drain pipes, says Oi.—
Arricca Elin SanSone,
Southern Living,
4 Mar. 2026
Noun
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Beneath the deck, or roadway surface, the structure carries sewer, water and recycled water pipelines and conduits for electrical and fiber optic cables.—
Phil Diehl,
San Diego Union-Tribune,
15 Feb. 2026
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The communications firm will also gain long-term access to certain Lumen central offices, poles, and conduits.—
Victoria Baeza Garcia,
Dallas Morning News,
3 Feb. 2026
Noun
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The looping white steel of the glyph gave rise to a series of further glyphs, their high-gloss finish-fetish circular looping tubes being but a short step away from her colorful bent rectangular tubing.—
Gordon Hughes,
Artforum,
1 Mar. 2026
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In fact, scientists reporting to the Glen Canyon Adaptive Management Program estimate that failing to flush some deeper water through the bypass tubes this summer could let the river rise to about 79 degrees.—
Brandon Loomis,
AZCentral.com,
28 Feb. 2026
Noun
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Geologists used temperature sensors in the geyser’s runoff channels to monitor these bursts, noting that the current pattern is similar to that observed during the geyser’s 2017 revival.—
Munis Raza,
Interesting Engineering,
4 Mar. 2026
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BofA notes that these types of policies, such as standard home and auto insurance, represent low-sophistication transactions where human agents add little value, making direct-to-consumer digital channels a considerable cost-saver for the buyer.—
Nick Lichtenberg,
Fortune,
3 Mar. 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 7 Mar. 2026.
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