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power up

British  

verb

  1. (tr, adverb) to switch on the power to (a computer system)

  2. to begin to make good use of or take full advantage of

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Lopez started hemorrhaging soon after the baby was delivered but anesthesiologist Michael Sanchez and his team were able to power up a special machine to deliver blood quickly, according to the release.

From Los Angeles Times • Dec. 12, 2025

CoreWeave Chief Executive Michael Intrator shared in a Bloomberg interview last month that the company had secured 2.8 gigawatts of contracted power, up 600 megawatts from the second quarter.

From MarketWatch • Nov. 9, 2025

But their modular nature means they become cost competitive if they are used off-grid for data centers that need power up nearly 100% of the time.

From The Wall Street Journal • Nov. 5, 2025

AI chips in AI servers use a lot of power, up to 10 times more than conventional servers, which also means they run hot.

From Barron's • Nov. 4, 2025

You eat gooey fruit cocktail and just before you power up your tablet, The Mac strolls in with his bowling bag, and duffel, sporting a blue and white hoodie that reads putyourFACEinaBOOK.

From "Booked" by Kwame Alexander