hydroelectric

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

Origin of hydroelectric

First recorded in 1825–35; hydro-1 + electric
Related formshy·dro·e·lec·tric·i·ty [hahy-droh-i-lek-tris-i-tee, -ee-lek-] /ˌhaɪ droʊ ɪ lɛkˈtrɪs ɪ ti, -ˌi lɛk-/, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for hydroelectric

hydroelectric

adjective
  1. generated by the pressure of falling waterhydroelectric power
  2. of or concerned with the generation of electricity by water pressurea hydroelectric scheme
Derived Formshydroelectricity (ˌhaɪdrəʊɪlɛkˈtrɪsɪtɪ, -ˌiːlɛk-), noun
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

Word Origin and History for hydroelectric
adj.

1827, formed in English from hydro- + electric. Related: Hydroelectricity.

Online Etymology Dictionary, © 2010 Douglas Harper

hydroelectric in Science

hydroelectric

[hī′drō-ĭ-lĕktrĭk]
  1. 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.
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