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penstock

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

Penstock \Pen"stock\, noun [Etymol. uncertain; perh. fr. pen an inclosure + stock.]

1. A close conduit or pipe for conducting water, as, to a water wheel, or for emptying a pond, or for domestic uses.

2. The barrel of a wooden pump.

From WordNet (r) 3.0 (2006) [wn]:

penstock

noun

1: regulator consisting of a valve or gate that controls the rate of water flow through a sluice [syn: {sluicegate}, {sluice valve}, {floodgate}, {penstock}, {head gate}, {water gate}]

2: conduit that carries a rapid flow of water controlled by a sluicegate [syn: {sluice}, {sluiceway}, {penstock}]


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