PDFPronunciation: /piːdiːˈɛf/Translate PDF | into French | into Italian Definition of PDF noun [mass noun] Computing a file format for capturing and sending electronic documents in exactly the intended format: [as modifier]:PDF files [count noun] a file in PDF format:I sent him a PDF of the articleOrigin: 1990s: abbreviation of Portable Document FormatPDF in other Oxford dictionaries Definition of PDF in the US English dictionary
