- absorbing or attracting moisture from the air.
Origin of hygroscopic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for hygroscopicity
Hygroscopicity and "working" are reduced but not eliminated by thorough drying.Seasoning of Wood
Joseph B. Wagner
The hygroscopicity of the sand of the coast of Jutland he found to be thirty-three per cent.Man and Nature
George P. Marsh
According to Seger this hygroscopicity distinguishes true clay from silt and dust.The Natural History of Clay
Alfred B. Searle
One of the physical properties of wool is its hygroscopicity or power of absorbing moisture.The Chemistry of Hat Manufacturing
- (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
Word Origin and History for hygroscopicity
Online Etymology Dictionary, © 2010 Douglas Harper
- Readily absorbing moisture, as from the atmosphere.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- Relating to a compound that easily absorbs moisture from the atmosphere.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.