generator
US /ˈdʒen.ər.eɪ.t̬ɚ/
UK /ˈdʒen.ər.eɪ.t̬ɚ/

1.
a machine that converts mechanical energy into electrical energy
:
•
The power went out, so we had to start the generator.
•
Many homes in the area have a backup generator.
a machine that converts mechanical energy into electrical energy