water power

noun water powers · waterpower

1. uncountable, usually Mechanical or electrical energy derived from running or falling water; originally obtained from a waterwheel immersed in a stream; modern hydroelectric power is obtained from turbines fed from reservoirs. Advantage has been taken of the abundant natural water-power resources (which compensate, to a large extent, for the absence of coal) and some 660 route miles have been electrified with overhead conductors.
2. countable, usually A site capable of generating power or the right to use a site to generate power.
3. uncountable, usually The capacity to shoot water, as from a fire hose or squirt gun Fire trucks were parked everywhere: a new arrival was being carefully backed around the stacked pallets to add some new waterpower.