expansion card

noun Computers.

a card in a computer on which additional chips can be mounted to expand the computer's capabilities.

Nearby words

  1. expansion,
  2. expansion attic,
  3. expansion bend,
  4. expansion board,
  5. expansion bolt,
  6. expansion chamber,
  7. expansion joint,
  8. expansion slot,
  9. expansion team,
  10. expansion wave

Also called expansion board.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Science definitions for expansion board

expansion board

A printed circuit board that can be installed to enhance a computer's capabilities, as by increasing memory or improving graphics.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.