Definition of PDF in English:

PDF

noun

Computing
  • 1[mass noun] A file format for capturing and sending electronic documents in exactly the intended format.

    [as modifier] ‘PDF files’
    • ‘Back issues are posted in both PDF and HTML versions.’
    • ‘Each time a new issue is posted on our Web site, an e-mail will go out with a link to a PDF file.’
    • ‘Registered students have access to the PDF files via the University's distance learning Web site.’
    • ‘Many students will print these notes from either word processor or pdf files.’
    • ‘All current issues of their mags are free to download in pdf.’
    • ‘Our website also carries at least three complete articles per back number in pdf format.’
    1. 1.1[count noun]A file in PDF format.
      ‘I sent him a PDF of the article’
      • ‘Having said that, a pdf would appear to be the easiest option.’
      • ‘The link should download a pdf of the press release announcing the new logo.’
      • ‘A designer couldn't just email a pdf to the client in what seems like an easy, two-second process.’
      • ‘However, it was used improperly in the pdf.’
      • ‘The most interesting is on the state of the aviation industry, running to 52 pages in a pdf.’

Origin

1990s: abbreviation of Portable Document Format.

Pronunciation:

PDF

/ˌpiːˌdiːˈɛf/