Dictionary.com
definitions
  • synonyms

hydroelectric

[hahy-droh-i-lek-trik]
See more synonyms on Thesaurus.com
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
British Dictionary definitions for hydroelectricity

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 hydroelectricity

hydroelectric

adj.

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

Online Etymology Dictionary, © 2010 Douglas Harper

hydroelectricity 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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.