dpi
From Longman Dictionary of Contemporary Englishdpidpi /ˌdiː piː ˈaɪ/ (dots per inch) a way of measuring how much ink is put on the page by a printerFrom Longman Business Dictionarydpidpi, DPI COMPUTING (dots per inch) a measure of how clear the details of an image produced by a printer, scanner etc are. The more dots there are per inch, the clearer the imageLaser printers are typically 300 to 600 DPI and commercial typesetters are usually around 1200 DPI.