hy·dro·e·lec·tric

[hahy-droh-i-lek-trik]
adjective
pertaining to the generation and distribution of electricity derived from the energy of falling water or any other hydraulic source.

Origin:
1825–35; hydro-1 + electric

hy·dro·e·lec·tric·i·ty [hahy-droh-i-lek-tris-i-tee, -ee-lek-] , noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source Link To hydroelectricity
Collins
World English Dictionary
hydroelectric (ˌhaɪdrəʊɪˈlɛktrɪk) [Click for IPA pronunciation guide]
 
adj
1.  generated by the pressure of falling water: hydroelectric power
2.  of or concerned with the generation of electricity by water pressure: a hydroelectric scheme
 
hydroelectricity
 
n

00:10
Hydroelectricity is always a great word to know.
So is quincunx. Does it mean:
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.
hydroelectric (ˌhaɪdrəʊɪˈlɛktrɪk) [Click for IPA pronunciation guide]
 
adj
1.  generated by the pressure of falling water: hydroelectric power
2.  of or concerned with the generation of electricity by water pressure: a hydroelectric scheme
 
hydroelectricity
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
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Dictionary.com's 21st Century Lexicon
Main Entry:  hydroelectricity
Part of Speech:  n
Definition:  See hydroelectric power
Dictionary.com's 21st Century Lexicon
Copyright © 2003-2013 Dictionary.com, LLC
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Etymonline
Word Origin & History

hydroelectric
1827, formed in Eng. from hydro-, comb. form of Gk. hydor "water" (see water (n.1)) + electric.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
hydroelectric   (hī'drō-ĭ-lěk'trĭk)  Pronunciation Key 


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Using the power of water currents to generate electric power. Generally, hydroelectric power is created by directing water flow through a turbine, where the water causes fans to turn, creating the torque needed to drive an electric generator.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
Data on the renewable energy resource of hydroelectricity.
Imagine upstate cellulose and hydroelectricity fueling cars and trucks
  throughout the state.
You'll have a great time and learn about hydroelectricity.
Much of the region's power comes from hydroelectricity and biofuels.
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