Hearing aid

Rarity: Rare

A topic known well beyond its field, found in many languages.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

Class

Notion

Domain

Science and technology

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What Wikipedia says

A hearing aid is a device designed to improve hearing by making sound audible to a person with hearing loss. Hearing aids are classified as medical devices in most countries, and regulated by the respective regulations.

Excerpt from the Wikipedia article “Hearing aid”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Jonas Bergsten, Public domain, via Wikimedia Commons.