deafness
US /ˈdef.nəs/
UK /ˈdef.nəs/

1.
surdité
the condition of being unable to hear, either completely or partly
:
•
She has suffered from partial deafness since childhood.
Elle souffre de surdité partielle depuis l'enfance.
•
The new technology aims to help people with severe deafness.
La nouvelle technologie vise à aider les personnes atteintes de surdité sévère.