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expansion slot

noun

, Computers.
  1. a connection in a computer, especially a personal computer, to which a new board or card can be added to expand the computer's capabilities.


expansion slot

noun

  1. a physical electronic interface provided in a computer system to enable extra facilities to be added easily at a later date


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Word History and Origins

Origin of expansion slot1

First recorded in 1980–85

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expansion jointexpansion team