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penstock Definition

pen·stock (pen′stäk′)

noun

  1. a gate or sluice used in controlling the flow of water
  2. ☆ a tube or trough for carrying water to a water wheel

Etymology: pen + stock

penstock Usage Examples

Modifies a noun

  • walkway: Boats in the lock must be kept clear of the low-side penstock access walkway to avoid entrapment when the water level is raised.
  • chamber: The penstock chamber for ejecting the waste into the sea is opposite the R.E. Store.
  • gate: The project includes new inlet penstock gates, self cleaning trash racks and the first submersible bulb type turbine to be installed in Scotland.

Noun used with modifier

  • low-side: Boats in the lock must be kept clear of the low-side penstock access walkway to avoid entrapment when the water level is raised.
  • steel: Steel penstocks then direct the discharge into the station via inlet pipes and valves to start generation.