• If something that needs power or energy powers up, or if someone powers it up, it is turned on or prepared so that it is ready for use or action:


    Power sth up meaning & definition 1 of Power sth up.


  • if a machine, computer, etc. powers up, or if someone powers it up, it is switched on or prepared so that it is ready to be used:

    Power sth up meaning & definition 2 of Power sth up.

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