Noun
power source (plural power sources)
A source of power such as a generator or mains outlet.
He would have liked to use the electric drill, but there was no convenient power source.
A Class A power source is a primary power source, i.e., a source that assures an essentially continuous supply of power. Source: Internet
A device that operates with bottled oxygen, the ventilator known by the name of “VSZ-20-2” has its own back-up power source. Source: Internet
An arbitrary amount of torque at the wheels can be gained by gearing any power source down sufficiently (including a hand crank). Source: Internet
Another important purchase handled by homemakers is the power source used for appliances. Source: Internet
Because the flywheels are a mechanical power source, it is not necessary to use an electric motor or generator as an intermediary between it and a diesel engine designed to provide emergency power. Source: Internet
Amidst the confusion, Abel was separated from his mother and accidentally made contact with the Wave Existence through the Zohar, Deus' power source. Source: Internet