hearing aid   (TTS Sound)

The hearing_aid has 2 Senses.

• deaf-aid, hearing aid
• 補聴器
• an electronic device that amplifies sound and is worn to compensate for poor hearing
• 音を増幅して、難聴を補うために身につけられる電子装置

• ear trumpet, hearing aid
• a conical acoustic device formerly used to direct sound to the ear of a hearing-impaired person
• かつて、聴覚障害をもつ人の耳に音を向けるのに用いられた円錐の音響装置