See Also: raster(dictionary)

raster (iou)



raster noun. M20.
[German = screen, frame from Latin rastrum rake, from ras- pa. ppl stem of radere scrape.]
A usu. rectangular pattern of parallel scanning lines as in the display on a cathode-ray tube etc. Also scanning raster. M20.
Cinematography & Photography. A fine grid or screen of wires, slits, or lenticular elements, placed in front of the projection screen in some stereoscopic systems. Also raster screen. M20.
rastered adjective (of an electron beam) made to scan an area L20.