definitions

expansion slot

noun Computers.

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.

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Nearby words

expansion board, expansion bolt, expansion card, expansion chamber, expansion joint, expansion slot, expansion team, expansion wave, expansionary, expansionism, expansionist

Origin of expansion slot

First recorded in 1980–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for expansion slot

expansion slot

noun

a physical electronic interface provided in a computer system to enable extra facilities to be added easily at a later date
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012