411 REFERENCE · Wiktionary
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
pdf
English
Pronunciation
en /pi di ɛf/
en En-us-PDF.oga US
Proper noun
en obsolete en w:Parkinson's Foundation Parkinson's Disease Foundation, now just Parkinson's Foundation.
en w:People's Defence Force (Myanmar) People's Defence Force armed paramilitary anti-military-rule rebel group in Myanmar.
Noun
~
en computing software en w:PDF Portable Document Format, a standard for representing electronic documents, allowing them to be transmitted and reproduced accurately with the same printed layout.
2021, Alexander Thomasian, Storage Systems..., §2.13.7:
DjVu was developed at AT&T Research by Yan LeCun et al. in 19661996. It generates files that are smaller than PDF files. PDF primarily encodes graphics and text as vectorized data, whereas DjVu primarily encodes them as pixmap images.
en computing software en portable document format a document in PDF format.
en Jack Schofield What’s the best cheap tablet or e-reader for PDF files? w:The Guardian https://www.theguardian.com/technology/askjack/2019/jun/27/whats-the-best-cheap-tablet-or-e-reader-for-pdf-files 2019-06-27 The reMarkable PDF reader is really targeted at the digital writing market, rather than the digital reading market, though most serious e-readers support pens for annotations and signatures. https://web.archive.org/web/20261017235213/https://www.theguardian.com/technology/askjack/2019/jun/27/whats-the-best-cheap-tablet-or-e-reader-for-pdf-files 17 October 2026
en 2026 American Society of Civil Engineers Concrete Canoe Competiton Request for Proposals https://www.asce.org/-/media/asce-images-and-files/communities/students-and-younger-members/documents/2026-asce-concrete-canoe-competition-request-for-proposals.pdf 2025-09-02 26 w:ASCE Teams are required to clearly highlight the relevant specification or standard (e.g., ASTM number, VOC content) directly on the PDF for each material to demonstrate compliance.Provide PDFs of basic technical information for materials lacking specific requirements. For example, printouts from store websites or packaging showing material properties are acceptable. https://web.archive.org/web/20250907193225/https://www.asce.org/-/media/asce-images-and-files/communities/students-and-younger-members/documents/2026-asce-concrete-canoe-competition-request-for-proposals.pdf
en probability theory en pdf probability density function. en Functions
en Unicode en w:bidirectional text#Pops pop directional format.
Derived terms
en PDFify PDFize PDF file
Descendants
mul .pdf
See also
en Adobe
Verb
en transitive software To convert (something) to PDF format.
en PDFify PDFize
Further reading
Anagrams
en dfp PFD
en File formats
Spanish
Pronunciation
pe dè efe +
Noun
m # +<q:proscribed>
a en PDF file
es File formats