खोजें
Hearing aid
01
श्रवण यंत्र, सुनने की मशीन
a small electronic device that is worn in or behind the ear and is specifically designed to amplify inaudible sounds to help a person with hearing loss
02
ध्वनि संवर्धक यंत्र, श्रवण यंत्र
a conical acoustic device formerly used to direct sound to the ear of a hearing-impaired person
