noun \ˈw-tər-ˌpa(-ə)r, ˈwä-\

: the power that comes from moving water and that is used to run machinery or make electricity

Full Definition of WATERPOWER

:  the power of water employed to move machinery
:  a fall of water suitable for being used to move machinery

Examples of WATERPOWER

  1. Waterpower is a renewable source of energy.

First Known Use of WATERPOWER



noun    (Concise Encyclopedia)

Power produced by a stream of water as it turns a wheel or similar device. The waterwheel, probably invented in the 1st century BC, was widely used throughout the Middle Ages and into modern times for grinding grain, operating bellows for furnaces, and other purposes. The more compact water turbine, which passes water through a series of fixed and rotating blades, was introduced in 1827. Water turbines, used originally for direct mechanical drive for irrigation, now are used almost exclusively to generate hydroelectric power.


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