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Definition of pixel noun from the Oxford Advanced Learner's Dictionary

pixel

noun
 
/ˈpɪksl/
 
/ˈpɪksl/
(computing)
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  1. any of the small individual areas on a computer screen, which together form the whole imageTopics Computersc2
    Oxford Collocations DictionaryPixel is used before these nouns:
    • resolution
    See full entry
    Word Origin1960s: abbreviation of picture element.
See pixel in the Oxford Advanced American Dictionary
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