power supply
/ˈpaʊər səˈplaɪ/ · pow·er sup·ply
noun
- a device that supplies electrical power to a system or device The computer's power supply failed, causing it to shut down suddenly.
- a source of energy or strength that enables something to function or operate The new power supply for the city's infrastructure will provide enough energy for all the homes and businesses.
Did you know? The first power supply was invented by Hippolyte Pixii in 1832, a French instrument maker who created a device that converted mechanical energy into electrical energy, paving the way for the development of modern power supplies.