HYDROELECTRIC

m. of, relating to or used in the production of electricity through the power of moving water (hydro- means water and electric means producing electricity). In one method of producing electricity, water is stored at a high elevation, as by a dam, and is released down a pipe or tunnel to a lower elevation. The falling water hits the blades of a wheel and causes it to rotate, thus spinning a shaft that drives a generator to produce electricity.producing or having to do with the production of electricity by water power or by the friction of water or steam.