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“acousticon”
An instrument for helping the hearing impaired to hear: "In the local museum, the children from the local school who were visiting, saw a hundred year old acousticon which was shaped like a trumpet which was held close to an ear to enable the user to hear."
This entry is located in the following unit:
acous-, acou-, acouo-, acoustico-, acouto-, acousti-, -acousia, -acousis, -acoustical, acu-, -acusis-, -acusia
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