raster

noun
ras·​ter | \ ˈra-stər How to pronounce raster (audio) \

Definition of raster

: 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)

Examples of raster in a Sentence

Recent Examples on the Web Essentially, in rasterization, the camera represents a raster pixel grid (hence, rasterization). Peter Bright, Ars Technica, "Raytracing explained: Nvidia, Microsoft lead the way in revolutionizing gaming graphics," 20 Aug. 2018 Essentially, in rasterization, the camera represents a raster pixel grid (hence, rasterization). Peter Bright, Ars Technica, "Raytracing explained: Nvidia, Microsoft lead the way in revolutionizing gaming graphics," 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, "Adobe’s next iPad drawing app is called Adobe Fresco," 17 June 2019 In a raster scan, the image is built up sequentially from top left to bottom right. Chris Lee, Ars Technica, "Humans can perform ghost imaging, no computer required," 4 Sep. 2018 Essentially, in rasterization, the camera represents a raster pixel grid (hence, rasterization). Peter Bright, Ars Technica, "Raytracing explained: Nvidia, Microsoft lead the way in revolutionizing gaming graphics," 20 Aug. 2018 Essentially, in rasterization, the camera represents a raster pixel grid (hence, rasterization). Peter Bright, Ars Technica, "Raytracing explained: Nvidia, Microsoft lead the way in revolutionizing gaming graphics," 20 Aug. 2018 Essentially, in rasterization, the camera represents a raster pixel grid (hence, rasterization). Peter Bright, Ars Technica, "Raytracing explained: Nvidia, Microsoft lead the way in revolutionizing gaming graphics," 20 Aug. 2018 Essentially, in rasterization, the camera represents a raster pixel grid (hence, rasterization). Peter Bright, Ars Technica, "Raytracing explained: Nvidia, Microsoft lead the way in revolutionizing gaming graphics," 20 Aug. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'raster.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of raster

1934, in the meaning defined above

History and Etymology for raster

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

Keep scrolling for more

Learn More about raster

Time Traveler for raster

Time Traveler

The first known use of raster was in 1934

See more words from the same year

Statistics for raster

Cite this Entry

“Raster.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/raster. Accessed 13 Jul. 2020.

More from Merriam-Webster on raster

Rhyming Dictionary: Words that rhyme with raster

Comments on raster

What made you want to look up raster? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

Words for Summer: A Quiz

  • a closeup of a sunflower
  • Which of the following words means “of or relating to summer”?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Citation

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!