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“acoustical material”
Any fabric or composition of material that is designed to reduce sounds or to absorb unwanted noises: The architect ordered acoustical material for the ceiling of the room from a reputable dealer who specialized in sound systems.
This entry is located in the following unit:
acous-, acou-, acouo-, acoustico-, acouto-, acousti-, -acousia, -acousis, -acoustical, acu-, -acusis-, -acusia
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