acoustics

1 ENTRIES FOUND:
acoustics /əˈkuːstɪks/ noun
acoustics
/əˈkuːstɪks/
noun
Britannica Dictionary definition of ACOUSTICS
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
2 
[noncount] : the science that studies sounds