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Showing results for hygroscopic. Search instead for hydroscopic.

hygroscopic

American  
[hahy-gruh-skop-ik] / ˌhaɪ grəˈskɒp ɪk /

adjective

  1. absorbing or attracting moisture from the air.


hygroscopic British  
/ ˌhaɪɡrəskəʊˈpɪsɪtɪ, ˌhaɪɡrəˈskɒpɪk /

adjective

  1. (of a substance) tending to absorb water from the air

"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

hygroscopic Scientific  
/ hī′grə-skŏpĭk /
  1. Relating to a compound that easily absorbs moisture from the atmosphere.


Other Word Forms

  • hygroscopically adverb
  • hygroscopicity noun
  • nonhygroscopic adjective
  • nonhygroscopically adverb

Etymology

Origin of hygroscopic

First recorded in 1765–75; hygroscope + -ic

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The thing about sugar is that it’s hygroscopic, which means that it’s always going to draw moisture from its surroundings.

From Salon • Sep. 25, 2025

The second is a desiccant-based system which uses hygroscopic materials to absorb moisture from the air, then release it through a heating process, he says.

From BBC • May 27, 2024

Composite decking products, while not hygroscopic, expand and contract.

From Seattle Times • Apr. 30, 2024

That may sound unusual, but prunes are high in hygroscopic sorbitol and fructose, which - along with salt and soy sauce - amplify the way the meat absorbs flavor.

From Washington Times • Dec. 21, 2023

Limestones generally bind well, are soft, and frequently hygroscopic.

From The Future of Road-making in America by Hulbert, Archer Bulter