UK /ˌpiː.diːˈef/
US /ˌpiː.diːˈef/
A PDF is a kind of computer file that keeps a document looking the same on every screen.
I sent my homework to the teacher as a PDF.
RELATED WORDS
OTHER MEANINGS
2. A file extension (.pdf) that marks a document as a Portable Document Format file.
Save the report as report.pdf before emailing it.
3. A probability density function in statistics, which describes how likely values of a continuous variable are.
The normal distribution has a bell-shaped PDF.
4. Short for Portable Document Format, the standard created by Adobe for sharing fixed-layout documents.
The manual is available in PDF on the company website.