acoustics
acous·tics
/əˈkuːstıks/ noun
1 [ plural ] : the qualities of a room (such as its shape or size) that make it easy or difficult for people inside to hear sounds clearly : acoustic qualities
We love performing in this room because of its great acoustics.
The acoustics in the school's auditorium are terrible.
2 [ noncount ] : the science that studies sounds
Acoustics is a challenging subject.
