graphics accelerator


General Science

  • noun a special card that fits inside a computer and uses a dedicated processor chip to speed up the action of drawing lines and images on the screen


  • A graphics card which incorporates a chip, and which accelerates and enhances the graphics-handling performance of a system. A graphics accelerator significantly speeds up the updating of the images on a screen, which also frees the CPU to take care of other tasks. Especially useful, for instance, for displaying three-dimensional graphics. Also called graphics accelerator board, graphics accelerator card, video accelerator, or video accelerator card.


  • noun a video display board with its own graphics coprocessor and high-speed RAM that can carry out graphical drawing operations at high speed