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Define hygroscopicity in brief
Short answer
Hygroscopicity is a material's ability to absorb moisture from the air. Materials like timber, lime and cement are hygroscopic, causing swelling, shrinkage or strength loss with humidity changes.
Define hygroscopicity as a property of materials.
Hygroscopicity is the property of a material to absorb moisture from the surrounding air and hold it. Timber, lime and cement are hygroscopic, so they swell, shrink or lose strength with changes in humidity.
✓ Answer checked by Claude Opus 5.5 (high effort)
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