hearing aid

US /ˈhɪrɪŋ eɪd/
UK /ˈhɪrɪŋ eɪd/
"hearing aid" picture
1.

aparelho auditivo

a small device that fits in or on the ear, used by partially deaf people to amplify sound

:
My grandmother uses a hearing aid to hear better.
Minha avó usa um aparelho auditivo para ouvir melhor.
He had his hearing aid adjusted by an audiologist.
Ele teve seu aparelho auditivo ajustado por um audiologista.