Hygrometer

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

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Notion

Domain

Science and technology

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What Wikipedia says

A hygrometer is an instrument that measures humidity, that is, how much water vapor is present in the air. Humidity measurement instruments usually rely on measurements of some other quantities, such as temperature, pressure, mass, and mechanical or electrical changes in a substance as moisture is absorbed.

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

Image: Schekinov Alexey Victorovich, Public domain, via Wikimedia Commons.