raster
noun
ras·ter ˈra-stər 
: 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)
Example Sentences
Recent Examples on the Web Exhibited at a small gallery in Germany, Paik's Zen for TV reduced the image on the screen to a single raster line. 
Jonathon Keats, Forbes, 28 May 2021 From mobile to desktop, vector map to raster, your stakeholders need a consistent map. Khaled Naim, Forbes, 11 Mar. 2021 Essentially, in rasterization, the camera represents a raster pixel grid (hence, rasterization). Peter Bright, Ars Technica, 20 Aug. 2018 Essentially, in rasterization, the camera represents a raster pixel grid (hence, rasterization). Peter Bright, Ars Technica, 20 Aug. 2018 The app also lets artists draw with vector and raster brushes, combining the features of the Adobe Illustrator Draw and Photoshop Sketch iPad apps. Dami Lee, The Verge, 17 June 2019 In a raster scan, the image is built up sequentially from top left to bottom right. Chris Lee, Ars Technica, 4 Sep. 2018 Essentially, in rasterization, the camera represents a raster pixel grid (hence, rasterization). Peter Bright, Ars Technica, 20 Aug. 2018 Essentially, in rasterization, the camera represents a raster pixel grid (hence, rasterization). Peter Bright, Ars Technica, 20 Aug. 2018 See More
Jonathon Keats, Forbes, 28 May 2021 From mobile to desktop, vector map to raster, your stakeholders need a consistent map. Khaled Naim, Forbes, 11 Mar. 2021 Essentially, in rasterization, the camera represents a raster pixel grid (hence, rasterization). Peter Bright, Ars Technica, 20 Aug. 2018 Essentially, in rasterization, the camera represents a raster pixel grid (hence, rasterization). Peter Bright, Ars Technica, 20 Aug. 2018 The app also lets artists draw with vector and raster brushes, combining the features of the Adobe Illustrator Draw and Photoshop Sketch iPad apps. Dami Lee, The Verge, 17 June 2019 In a raster scan, the image is built up sequentially from top left to bottom right. Chris Lee, Ars Technica, 4 Sep. 2018 Essentially, in rasterization, the camera represents a raster pixel grid (hence, rasterization). Peter Bright, Ars Technica, 20 Aug. 2018 Essentially, in rasterization, the camera represents a raster pixel grid (hence, rasterization). Peter Bright, Ars Technica, 20 Aug. 2018 See More Word History
Etymology
borrowed from German Raster, originally, "screen used for printing halftones," borrowed from Latin *rāster (presumed singular of rāstrī), rāstrum "hoe with two to six tines," from rādere "to scrape, scratch, pare away, shave" + -trum, suffix of instruments (going back to Indo-European *-tro-) — more at rase
First Known Use
1934, in the meaning defined above