raster


ras·ter

noun \ˈras-tər\

Definition of RASTER

:  a scan pattern (as of the electron beam in a cathode-ray tube) in which an area is scanned from side to side in lines from top to bottom; also :  a pattern of closely spaced rows of dots that form an image (as on the cathode-ray tube of a television or computer display)

Origin of RASTER

German, from Latin raster, rastrum rake, from radere to scrape
First Known Use: 1934

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