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Definitions

mainframe

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






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.

“It was a shot to the heart and the chest and the mainframe with Luka,” James told reporters.

From Los Angeles Times • Apr. 9, 2026

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

“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

The university’s enormous mainframe computers stood in the middle of a vast white room, looking, as one faculty member remembers, “like one of the last scenes in the movie 2001: A Space Odyssey.”

From "Outliers" by Malcolm Gladwell




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