Meaning of “power up (something)” in the English Dictionary

american-english dictionary

"power up (something)" in American English

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power up (something)

phrasal verb with power us /ˈpɑʊ·ər/ verb [ T ]

to provide something with energy so that it can begin to operate:

The phone sits in the stand to power up.
Warm water acts as fuel for a hurricane's engine, powering it up.

(Definition of “power up (something)” from the Cambridge Academic Content Dictionary © Cambridge University Press)