hygroscope

A scientific instrument that indicates changes in the relative humidity of the air.

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1. Humidity indicator C2 formal scientific

   An instrument that shows changes in the relative humidity of the atmosphere, often by using a material that absorbs moisture.

   • The hygroscope indicated a sharp increase in humidity before the storm.
   • Early sailors used a simple hygroscope to predict weather changes.
   • The museum's hygroscope helps maintain optimal conditions for preserving artifacts.

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   المرادفات: hygrometer

• hygroscopes plural form
• hygroscopes' possessive plural form
• hygroscope's possessive singular form