Hydroelectric Vocabulary

of or relating to production of electricity

by waterpower

a source or means of supplying energy

a fundamental form of energy observable in positive and negative forms that occurs

naturally (as in lightning) or is produced (as in a generator) and that is expressed in terms of the

movement and interaction of electrons

a machine by which mechanical energy is

changed into electrical energy

considerable inland body of standing

water

to issue or move in a stream

a barrier preventing the flow of water or of loose solid materials (as soil or

snow); especially : a barrier built across a watercourse

for impounding water

a passage for surplus water to run over or

around an obstruction (as a dam)

a rotary engine actuated by the reaction or impulse or

both of a current of fluid (as water, steam, or air) subject to

pressure and usually made with a series of curved vanes on a central rotating spindle

one that transforms; specifically : a device

employing the principle of mutual induction to convert

variations of current in a primary circuit into variations

of voltage and current in a secondary circuit

a wheel made to rotate by direct action of

water

an artificial lake where water is collected and

kept in quantity for use

an assembly of parts including the speed-

changing gears and the propeller shaft by which the power is transmitted from

an engine to a live axle

an assembly of rotating blades that

supplies lift or stability for a rotorcraft