deliquescence(redirected from deliquesce)
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deliquescence(dĕl'əkwĕs`əns), conversion of a solid substance into a liquid as a result of absorption of water vapor from the air. Since impurities in a solid lower its melting point, the absorbed water causes a decrease in the normal melting point of the solid. If enough water is absorbed to lower the melting point below room temperature, the solid will deliquesce, or turn to liquid. Lithium sulfide and magnesium iodide are examples of deliquescent salts.
The condition of repeated divisions ending in fine divisions; seen especially in venation and stem branching.
The absorption of atmospheric water vapor by a crystalline solid until the crystal eventually dissolves into a saturated solution.
The absorption of water from the air by certain salts in plaster or brick; results in dark, damp areas on the surface.