# PDF

Pronunciation: say "pee-dee-EF" US /pi di ɛf/, UK /ˌpiː.diːˈɛf/

## Noun

1. Initialism of Portable Document Format. — Initialism of Portable Document Format, a standard for representing electronic documents, allowing them to be transmitted and reproduced accurately with the same printed layout.
   - Simple: Initialism of Portable Document Format. It is a file type that keeps a document's layout the same on any device.
   - _The agency accepts tax forms only in PDF._
   - _Designers rely on PDF to preserve exact layout across printers and screens._
2. Initialism of portable document format. — Initialism of portable document format (“document in PDF format”).
   - Simple: Initialism of portable document format. It means a document saved in that format.
   - _He attached a PDF of the signed lease to the email._
   - _The PDF wouldn't open until I updated my reader._
4. Alternative letter-case form of pdf.
   - Simple: Alternative letter-case form of pdf. It is a math function showing how likely each value is.
   - _The PDF of a normal distribution peaks at the mean and tapers symmetrically._
   - _Integrating the PDF between two points gives the probability of landing in that range._
5. Initialism of pop directional format. — Initialism of pop directional format.
   - Simple: Initialism of pop directional format. It is a hidden character that ends a change in text direction.
   - _Insert a PDF after the embedded Arabic to restore left-to-right flow._
   - _Without a closing PDF, the directional override leaks into the following text._

## Verb

3. To convert a file or document into PDF format.
   - Simple: To save a document as a PDF file.
   - _Please PDF the invoice before sending it to accounting._
   - _He PDFed all the contracts so they would print identically._

Source: DictionaryAI, https://dictionaryai.com/define/pdf (written from Wiktionary data, CC BY-SA 4.0: https://creativecommons.org/licenses/by-sa/4.0/).