Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of polyacoustic is as below...

Polyacoustic :: Polyacoustic (a.) Multiplying or magnifying sound.

Polyacoustics :: Polyacoustics (n.) The art of multiplying or magnifying sounds.

Polyacoustic :: Polyacoustic (n.) A polyacoustic instrument.

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