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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

There’s no trickery going on — I’m not changing a raster image with Photoshop or anything.

Geared toward illustrators, the app also lets artists work with both vector and raster brushes, something Adobe’s earlier Sketch and Draw apps did separately.

The app also lets artists draw with vector and raster brushes, combining the features of the Adobe Illustrator Draw and Photoshop Sketch iPad apps.

Project Gemini lets artists draw with raster and vector brushes, combining the tools from iPad apps like Adobe Illustrator Draw and Photoshop Sketch into one app.

Realism improved along with screen technology, and particularly with the increasing prevalence of raster displays, where the image is divided into a grid of individually illuminated pixels.

From Salon

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