This is the 11501st most frequent Russian word.
дополненной
"Augmented" or "supplemented."
The word 'дополненной' is an adverbial participle modifying 'information', indicating that the information in the book has been augmented or expanded.
Он открыл книгу с дополненной информацией.
He opened the book with augmented information.
The word 'дополненной' acts as an adjective describing 'реальностью', referring to the concept of augmented reality technology.
Они работают над дополненной реальностью.
They are working on augmented reality.
The word 'дополненной' modifies 'главой' as an adjective, showing that the chapter in the document was expanded or supplemented.