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pix(“pictures”), + el(ement); often taken to be a blend of “picture” and “element”. The ⟨x⟩ stems from the abbreviation pics being sometimes also written as pix, which has been in use since the 1880s. First attested in 1965.[1]
One of the tiny dots that make up the representation of an image in a computer's memory.
1965 April, Fred C. Billingsley, “Digital Video Processing at JPL”, in Eugene B. Turner, editor, Electronic Imaging Techniques I, Proceedings of SPIE, volume 3, Los Angeles:
We have chosen to sample at a 500 KC rate and we define each one of these samples as a picture element or pixel. We have sampled each pixel with 6-bit accuracy which is commensurate with the signal/noise ratio and the data accuracy.
2015 August, Dominik Guggisberg et al., “Mechanism and control of the eye formation in cheese”, in International Dairy Journal, volume 47, Elsevier, →DOI, pages 118–127:
In the tomographic images of the 30-day-old cheeses, the gantry had to be removed with image processing techniques: first, the binarised image (grey level larger than 104) was eroded with a disk of three pixels.
One of the squares that make up a work of pixel art or a zoomed-in image in a computer.
Use um protetor de tela cuja função será desgastar cada pixel de sua tela por igual, solicitando-o alternadamente e conferindo movimentos aleatórios. Se não usar esse programa, os pontos coloridos que incidem sempre nos mesmos pixeis da tela por horas contínuas irão consumi-lo apresentando uma descoloração da tela nesses mesmos pontos.
The prescribed adaptation of the unadapted borrowing pixel is píxel, rendering the plural píxeis. Thus, the prescribed plural of pixel is the English plural pixels instead of pixeis, since the later does not correspond to the pronunciation of the word as a paroxytone.[1]