penstock

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English

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Etymology

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Perhaps from pen (an enclosure) + stock.

Noun

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penstock (plural penstocks)

  1. A sluice or pipe which allows the controlled flow of water from behind a dam, typically routing it to a turbine of a power plant.
    • 2017, Fiona Farrell, Decline and Fall on Savage Street, →ISBN, page 30:
      It amazes him still, this effortless journey powered by the fall of water. Water surging through tunnel and penstock.
  2. The barrel of a wooden pump.

Alternative forms

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Anagrams

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