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Definitions

mainframe

[meyn-freym] / ˈmeɪnˌfreɪm /
NOUN
central processing unit
Synonyms






Example Sentences

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That makes it unlikely that customers will move away from using its mainframes toward decentralized platforms—a potential shift known as mainframe disintermediation—over the next several years.

From Barron's • Feb. 25, 2026

“The mainframe serves as the backbone for the world’s largest enterprises managing the most complex and critical workloads,” Woodring wrote, ticking off banking systems, airline reservations, and transaction processing as a few examples.

From Barron's • Feb. 25, 2026

“The idea of shifting off of mainframe is not a new concept,” he said in a note to clients.

From MarketWatch • Feb. 24, 2026

“Software and mainframe performance supported strong results for what many consider a defensive name,” said JPMorgan analyst Brian Essex, who rates the stock a neutral.

From MarketWatch • Jan. 29, 2026

It was a selfie of her in front of an Indian restaurant with the message, If you want to hack into the mainframe, meet me here as fast as you can.

From "City Spies" by James Ponti