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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.
Origin
1980-1985
1980-85
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for expansion slot
  • The relay board plugs into the expansion slot of the microcomputer and has eight independent relays.
  • The card usually plugs into a computer's expansion slot.
British Dictionary definitions for expansion slot

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
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
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expansion slot in Technology

hardware
A connector in a computer into which an expansion card can be plugged. The connector supplies power to the card and connects it to the data bus, address bus and control signals of the motherboard.
(1998-06-26)

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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Word Value for expansion

18
21
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