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PDF

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noun, plural PDFs for 2. Computers.
  1. a file format that makes it possible to display text and graphics in the same fixed layout on any computer screen.
  2. a document or file in this format.
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Origin of PDF

P(ortable) D(ocument) F(ormat)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for pdf

PDF

abbreviation for
  1. portable document format: a format in which documents may be viewed
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for pdf

by 1992, initialism for portable document format, a generic term.

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Online Etymology Dictionary, © 2010 Douglas Harper