/noun [mass noun] Computing
1A file format for capturing and sending electronic documents in exactly the intended format: [as modifier]: PDF files...
- Our website also carries at least three complete articles per back number in pdf format.
- Each time a new issue is posted on our Web site, an e-mail will go out with a link to a PDF file.
- Back issues are posted in both PDF and HTML versions.
1.1 [count noun] A file in PDF format: I sent him a PDF of the article...
- The most interesting is on the state of the aviation industry, running to 52 pages in a pdf.
- A designer couldn't just email a pdf to the client in what seems like an easy, two-second process.
- The link should download a pdf of the press release announcing the new logo.
Origin
1990s: abbreviation of Portable Document Format.
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