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Definition of pixel

pixel

/ˈpɪk.səl/
pix · el
Plural:pixels
•
Adjective:pixelated
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pixel Lexical Profile

pixel Game Scores & Validity

• noun

1

The smallest discrete component or addressable point of a digital image or electronic display screen that can be individually programmed to show a specific color or brightness.

Example

"When you zoom in too closely on a low-resolution photograph, you can see the individual pixels that make up the image."

2

A small snippet of code or an invisible one-by-one image embedded in a webpage or email to track user activity, conversions, and web traffic.

Example

"The marketing team installed a tracking pixel on the checkout page to measure how many visitors completed a purchase."

Synonyms
View all synonyms for pixel

• Rhymes for pixel

• Nearby Words

pivotable
pivotal
pivotally
pixel
pixelate
pixelated
pixelation

Word Origin & Etymology

Coined in the 1960s by engineer Frederic C. Billingsley as a blend of "pix" (a colloquial abbreviation for "pictures") and the first syllable of "element."

Cite this Entry

Wordmom. (2026). Definition of Pixel. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/pixel
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