penstock
[ pen-stok ]
/ ˈpɛnˌstɒk /
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noun
a pipe conducting water from a head gate to a waterwheel.
a conduit for conveying water to a power plant.
a sluicelike contrivance used to control the flow of water.
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“Was” is used for the indicative past tense of “to be,” and “were” is only used for the subjunctive past tense.
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Words nearby penstock
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for penstock
British Dictionary definitions for penstock
penstock
/ (ˈpɛnˌstɒk) /
noun
a conduit that supplies water to a hydroelectric power plant
a channel bringing water from the head gates to a water wheel
a sluice for controlling water flow
Word Origin for penstock
C17: from pen ² + stock
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for penstock
penstock
[ pĕn′stŏk′ ]
A sluice or gate used to control a flow of water.
A pipe or conduit used to carry water to a water wheel or turbine.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.