pix·​el | \ ˈpik-səl How to pronounce pixel (audio) , -ˌsel \
plural pixels

Definition of pixel

1 : any of the small discrete elements that together constitute an image (as on a television or digital screen) If the ball is flying from left to right across a video screen, a pixel at one fixed location on the screen will get darker and darker as time ticks on because it depicts points farther and farther to the left on the ball.— Frédo Durand et al.
2 : any of the detecting elements of a solid-state optical sensor (such as a CCD or CMOS device) The team used a new CCD detector that has an 8,192 by 8,192 pixel array, which makes it the world's largest astronomical CCD.Astronomy the … CMOS image sensor provides a 9-µm pixel size …— Mathew Dirjish

Examples of pixel in a Sentence

Recent Examples on the Web By mapping those pixel-level baselines the study can then calculate the impact of increasing or decreasing fishing and other human activities. Aryn Baker, Time, "How Industrial Fishing Creates More CO2 Emissions Than Air Travel," 17 Mar. 2021 Spanning three floors, the stadium-style venue has a 78-million-pixel screen viewable by up to 1,000 guests that display up to 19 games simultaneously. Larry Olmsted, Forbes, "Las Vegas Bets Big On Sports, Welcomes Traveling Fans," 5 Mar. 2021 Each individual pixel is a diode that provides its own illumination, so the screen doesn’t need a backlight. Popular Science, "The best entertainment tech of 2020," 3 Dec. 2020 This will allow businesses to measure web events from iOS 14 devices with help from the Facebook pixel even after the official release of the ATT feature. Bernard May, Forbes, "Apple Vs. Facebook: The 2021 Ad Race Heats Up," 5 Mar. 2021 The planes captured footage of 32 square miles, with individuals represented as a single pixel. Dwight Weingarten, The Christian Science Monitor, "Eye in the sky: Did Baltimore’s aerial surveillance program go too far?," 23 Feb. 2021 Its own 120 fps versus toggle benefits from higher resolution, as well, with something around 1440p enjoying a similarly clean TAA pixel presentation. Sam Machkovech, Ars Technica, "Xbox Series X/S review: Beautiful, powerful—but whatcha gonna play?," 5 Nov. 2020 The 1080 pixel screen, THX audio and Intel Core i3 processor make this laptop ideal for streaming and everyday computing tasks. Amanda Green, Popular Science, "The best Black Friday laptop deals: The best early deals on Apple, Samsung, HP, and more," 13 Nov. 2020 If your screen has a high-pixel density, then a higher DPI might be helpful. Carsen Joenk, Popular Science, "Best gaming mouse: What to look for when buying this accessory," 11 Dec. 2020

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

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First Known Use of pixel

1965, in the meaning defined at sense 1

History and Etymology for pixel

pix + element

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Statistics for pixel

Last Updated

26 Mar 2021

Cite this Entry

“Pixel.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pixel. Accessed 18 Apr. 2021.

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More Definitions for pixel



English Language Learners Definition of pixel

: any one of the very small dots that together form the picture on a television screen, computer monitor, etc.


pix·​el | \ ˈpik-səl How to pronounce pixel (audio) \

Kids Definition of pixel

: any of the small parts that make up an image (as on a computer or television screen)

More from Merriam-Webster on pixel

Britannica English: Translation of pixel for Arabic Speakers

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