This is the 3823rd most frequent Russian word.
The Russian word "pdf" refers to a file format for electronic documents, standing for "Portable Document Format."
Used to describe the file format of a document.
Я сохранил документ в формате PDF.
I saved the document in PDF format.
Referring to a file to be sent in a specific format.
Можете отправить мне этот файл как PDF?
Can you send me this file as a PDF?
Referring to files in PDF format that require specific software to access.