a compact electronic amplifier worn to improve one’s hearing, usually placed in or behind the ear.
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

hearing aid n.
A small electronic apparatus that amplifies sound and is worn in or behind the ear to compensate for impaired hearing.


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  • Hearing-ear dog

    [heer-ing-eer] /ˈhɪər ɪŋˌɪər/ noun 1. a dog that has been trained to alert a hearing-impaired person to sounds, as a telephone ringing or dangerous noises.

  • Hearing-impaired

    [heer-ing-im-paird] /ˈhɪər ɪŋ ɪmˌpɛərd/ adjective 1. having reduced or deficient hearing ability; hard-of-hearing: special programs for hearing-impaired persons. noun 2. (used with a plural verb) hearing-impaired persons collectively (usually preceded by the). hearing-impaired adj. n. Persons who are deficient in hearing or are deaf.

  • Hearing impairment

    hearing impairment n. A reduction or defect in the ability to perceive sound.

  • Hearken

    [hahr-kuh n] /ˈhɑr kən/ verb (used without object) 1. Literary. to give heed or attention to what is said; listen. verb (used with object) 2. Archaic. to listen to; hear. /ˈhɑːkən/ verb 1. (archaic) to listen to (something) v. Old English heorcnian, a suffixed form of *heorcian, root of hark; from Proto-Germanic *hausjan (see hear). […]

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