raster

[ ras-ter ]

noun

1. Television. a pattern of scanning lines covering the area upon which the image is projected in the cathode-ray tube or liquid crystal display of a television set or other screen.
2. Digital Technology. a set of horizontal lines composed of individual pixels, used to form an image on a screen or in matrix printing.

raster

/ ˈræstə /

noun

1. a pattern of horizontal scanning lines traced by an electron beam, esp on a television screen

verb

1. to use web-based technology to turn a digital image into a large picture composed of a grid of black and white dots

Word History and Origins

Origin of raster¹

First recorded in 1950–55; from German, from Latin rāstrum “toothed hoe, rake,” derivative of rādere “to scratch, scrape”

Word History and Origins

Origin of raster¹

C20: via German from Latin: rake, from rādere to scrape

Example Sentences

If you need to edit files created in a raster graphics program, you can import and manipulate them.

From Popular-Science