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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
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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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”
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Word History and Origins

Origin of raster1

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

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

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