noun

mainframe

mainframe, large-scale computer

The company still uses a mainframe for its data.

The company still uses a mainframe for its data.

((a/the mainframe)) a large, powerful computer The bank's mainframe processes millions of transactions daily.

Synonyms: large-scale computer, big iron

From 'main' + 'frame'. Refers to the main framework of a large computer system.

Picture a huge, room-sized 'frame' that is the 'main' computer for a large organization.

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