mainframe

noun

main·​frame ˈmān-ˌfrām How to pronounce mainframe (audio)
1
: a large, powerful computer that can handle many tasks concurrently and is usually used commercially
… the million-dollar mainframe computers that took up entire floors of corporate premises …John Derbyshire
2
dated : a computer with its cabinet and internal circuits especially when considered separately from any peripherals connected to the computer

Examples of mainframe in a Sentence

Recent Examples on the Web
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During a time when computers were running extremely complex code, Cobol allowed early mainframe computers to essentially speak the same language, eliminating the need to manually program the same data-processing applications into every new machine. IEEE Spectrum, 15 Dec. 2024 Think about how materials can eventually be recycled. 25 Water Street, formerly a box of mainframe computers, soon to be apartments. Justin Davidson, Curbed, 12 Dec. 2024 Digging through the Amazon Q mainframe modernization functions in more detail, this tool handles code analysis, planning and application refactoring. Adrian Bridgwater, Forbes, 3 Dec. 2024 Its infrastructure revenue was down 7%, to $3.04 billion, ahead of the 2025 release of a new mainframe. Byandrew Nusca, Fortune, 24 Oct. 2024 See all Example Sentences for mainframe 

Word History

First Known Use

1957, in the meaning defined at sense 2

Time Traveler
The first known use of mainframe was in 1957

Dictionary Entries Near mainframe

Cite this Entry

“Mainframe.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mainframe. Accessed 15 Jan. 2025.

Kids Definition

mainframe

noun
main·​frame ˈmān-ˌfrām How to pronounce mainframe (audio)
: a large fast computer that can do many jobs at once

More from Merriam-Webster on mainframe

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