raster

American  

[ras-ter] / ˈræs tər /

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.

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raster British  

/ ˈræstə /

noun

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

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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

Etymology

Origin of raster

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

Example Sentences

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

From The Verge

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.

From The Verge

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

From The Verge

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.

From The Verge

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