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Definitions

mainframe

[mayn-fraym] / ˈmeɪnˌfreɪm /
NOUN
central processing unit
Synonyms






Example Sentences

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“When we look at that sort of financial backbone, 70% by value of all transactions flow through the mainframe on a daily basis,” says Krishna.

From The Wall Street Journal ● Jul. 23, 2026

But neither is the mainframe business and its associated software doomed, given that it remains competitive in certain markets, he argued.

From The Wall Street Journal ● Jul. 23, 2026

The problem was the launch of the z17 mainframe program, which the company expected to be wrapping up during the second quarter.

From MarketWatch ● Jul. 14, 2026

Krishna said the launch of the company’s z17 mainframe and the associated software stack in the second quarter ended up being “worse than our expectations” for infrastructure revenue to fall in the low-single-digit range.

From MarketWatch ● Jul. 14, 2026

Once a program was ready, you walked over to whatever mainframe computer you had access to and gave the stack of cards to an operator.

From "Outliers" by Malcolm Gladwell

Another custom line, called Tellum II, powers IBM’s latest mainframes.

From The Wall Street Journal ● Jul. 23, 2026

IBM lowered its growth outlook after sales of data center mainframes sank 42%.

From The Wall Street Journal ● Jul. 22, 2026

That unit was pulled down by lower-than-expected sales of data center mainframes, which fell 42%.

From The Wall Street Journal ● Jul. 22, 2026

However, Morningstar’s Yang explained that mainframes fall into a different class of hardware and process different workloads than hyperscaler servers do, for instance.

From MarketWatch ● Jul. 14, 2026

Computers up to that point had been the massive, expensive mainframes of the sort sitting in the white expanse of the Michigan Computer Center.

From "Outliers" by Malcolm Gladwell


Vocabulary lists containing mainframe

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