expansion card

noun Computers.

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

Words nearby expansion card

expansion, expansion attic, expansion bend, expansion board, expansion bolt, expansion card, expansion chamber, expansion joint, expansion slot, expansion team, expansion wave

Scientific 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.