hearing aid
noun
a compact electronic amplifier worn to improve one's hearing, usually placed in or behind the ear.
Origin of hearing aid
First recorded in 1920–25
Words nearby hearing aid
Example sentences from the Web for hearing aid
Born in Montreal in 1918, Harman moved with his family to New York when his father got a job at a hearing-aid company.
British Dictionary definitions for hearing aid
hearing aid
noun
a device for assisting the hearing of partially deaf people, typically consisting of a small battery-powered electronic amplifier with microphone and earphone, worn by a deaf person in or behind the ear
Medical definitions for hearing aid
hearing aid
n.
A small electronic apparatus that amplifies sound and is worn in or behind the ear to compensate for impaired hearing.