hearing aid

See more synonyms for hearing aid on Thesaurus.com

Origin of hearing aid

First recorded in 1920–25
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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Contemporary Examples of hearing aid


British Dictionary definitions for hearing aid

hearing aid

noun
  1. 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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

hearing aid in Medicine

hearing aid

n.
  1. A small electronic apparatus that amplifies sound and is worn in or behind the ear to compensate for impaired hearing.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.