HEARINGAID

Hearing aid

A hearing aid is an electroacoustic device which is designed to amplify sound for the wearer, usually with the aim of making speech more intelligible, and to correct impaired hearing as measured by audiometry. In the United States, Hearing aids are considered medical devices and are regulated by the Food and Drug Administration . Ordinary small audio amplifiers or other plain sound reinforcing systems cannot be sold as "hearing aids".

The above text is a snippet from Wikipedia: Hearing aid
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hearing aid

Noun

  1. A device used to help the hard of hearing to hear sounds.


The above text is a snippet from Wiktionary: hearing aid
and as such is available under the Creative Commons Attribution/Share-Alike License.

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