volume
US /ˈvɑːl.juːm/
UK /ˈvɑːl.juːm/

1.
2.
the degree of loudness or the intensity of a sound
:
•
Please turn down the volume on the TV.
•
The music was playing at full volume.
3.
a book, especially one of a set or series
:
•
She bought the first volume of the encyclopedia.
•
The complete works are published in three volumes.