1. power up - Noun
2. power up - Verb
(transitive) To turn the electrical power on to a device as a precondition to making it operational.
Every morning he powered up his electronic devices, even before making coffee.
(intransitive) To become ready for operation as a result of the provision of electrical power.
The office systems power up automatically at 7:30am on workdays.
power-up (plural power-ups)
(video games) A special item that provides the player with some ability or benefit.
power-up
Bullies want to abuse you. Instead of allowing that, you can use them as your personal motivators. Power up and let the bully eat your dust. Nick Vujicic
After the power-up, the crystals take several seconds to minutes to "warm up" and stabilize their frequency. Source: Internet
A kart that obtains the star power-up is temporary invulnerable to attack. Source: Internet
Add images, links, videos, labels, and attach documents to cards using the Evernote or Google Drive Power-Up to enrich each goal with notes and inspiration. Source: Internet
At power-up, the central processor would load its program counter with the address of the boot ROM and start executing instructions from the ROM. Source: Internet
But the band, formed by Angus and Malcolm in Sydney in 1973, is made of sterner stuff — and Power Up signals an unlikely resurrection. Source: Internet