hygroscopic(redirected from hygroscopical)
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(of a substance) tending to absorb water from the air
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
Being sensitive to moisture, such as certain tissues.
Possessing a marked ability to accelerate the condensation of water vapor; applied to condensation nuclei composed of salts which yield aqueous solutions of a very low equilibrium vapor pressure compared with that of pure water at the same temperature.
Pertaining to a substance whose physical characteristics are appreciably altered by effects of water vapor.
Pertaining to water absorbed by dry soil minerals from the atmosphere; the amounts depend on the physicochemical character of the surfaces, and increase with rising relative humidity.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
Readily absorbing and retaining moisture from the air.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.