starts, started, starting

to start up
phrasal verb

To begin operating or functioning, especially for machines or engines
  • 1The car engine started up smoothly.
  • 2He started up the computer to check his email.
To start up means to turn on or begin working, like when you push a button to make a machine or engine start running. It's like waking something up from sleep so it can start doing its job.
Card
Remember, some machines may take a few moments to fully start up, so be patient after pushing the button. It's like giving them a little time to stretch before they start working.
at a cozy café
Morning Coffee and a Generator
Matthew
Looks like the power's out. The generator should start up soon.
Elizabeth
I hope so. I really need my morning coffee.
Matthew
Don't worry, it usually kicks in quickly.
Elizabeth
Great, I can already hear it humming back to life.
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Similar to "to start up":
  • 1initiate
  • 2activate