mainframe - WordReference.com Dictionary of English

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mainframe

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Concise Oxford English Dictionary © 2008 Oxford University Press:
mainframe/ˈmeɪnfreɪm/

▶noun

1 a large high-speed computer, especially one supporting numerous workstations or peripherals.

2 the central processing unit and primary memory of a computer.

'mainframe' also found in these Oxford entries:

minicomputer - supercomputer - supermini

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