Meaning of ACOUSTICS in English

ACOUSTICS

[acous.tics] n pl (1683) 1 sing in constr: a science that deals with the production, control, transmission, reception, and effects of sound

2. also acoustic : the qualities that determine the ability of an enclosure (as an auditorium) to reflect sound waves in such a way as to produce distinct hearing

Merriam-Webster English vocab.      Английский словарь Merriam Webster.