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dot matrix noun

  /ˈdɑt ˌmætɹɪks/ , /ˈdɒt ˌmeɪtɹɪks/
  • (computing, also, attributively) A two-dimensional array or pattern of dots used (for example, by a display device or a printer) to represent alphanumeric characters and pictures.
 matriz de puntos
dot matrix printer
impresora matricial
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