[pen-stok] 
| 1. | a pipe conducting water from a head gate to a waterwheel. |
| 2. | a conduit for conveying water to a power plant. |
| 3. | a sluicelike contrivance used to control the flow of water. |
| pen·stock (pěn'stŏk') n.
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penstock (pěn'stŏk') Pronunciation Key
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