1(Of a substance) tending to absorb moisture from the air.
- Concrete is a hygroscopic material (absorbs moisture from vapor and liquid sources).
- Gases and non-aqueous liquids can be dehydrated by passing them over or through a hygroscopic substance, one that readily absorbs water.
- Salts are hygroscopic, meaning they absorb ambient humidity to keep the road surface moist and hold fine particles together.
1.1Relating to humidity or its measurement.
- During the winter, heat and moisture are recovered from the outgoing air, and hygroscopic thermal wheels condition incoming air.
- The main advantages of using hygroscopic dilators include outpatient placement and no FHR-monitoring requirements.
- The capsule is somewhat hygroscopic, and thus size of the opening is dependent on relative humidity.
- Example sentences
- Most preferably, the hygroscopically sensitive material is a hydrolyzed vegetable protein.
- The peristome teeth operate hygroscopically to move the diaphragm up into the wind.
- They are said to be safe from folk stealing bits of them because the crystals dissolve into mush hygroscopically.
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