In the Vinony graph
Within Vinony's link graph, dots per inch is referenced by 141 other articles, and connects out to pixel density, printer and inch.
Vinony files it under Computer printing, Display technology and Printing terminology.
Its subject is documented across 31 Wikipedia language editions.
Wikidata facts
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Encyclopedic overview
A close-up of the dots produced by an inkjet printer at draft quality. Actual size is approximately 1⁄4 by 1⁄4 inch (6 by 6 mm). Individual coloured droplets of ink are visible; this sample is about 150 DPI.
Dots per inch (DPI or dpi) is a measure of spatial printing, video or image scanner dot density, in particular the number of individual dots that can be placed in a line within the span of 1 inch (25.4 mm). Similarly, dots per millimetre (d/mm or dpmm) refers to the number of individual dots that can be placed within a line of 1 millimetre (0.039 in).
Excerpted from Wikipedia’s “dots per inch” article, available under the CC BY-SA 4.0 licence.