Deliquescence
/ˌdelɪˈkwesns/
Definition 1 of 2
Pro Tip 1/3Atmospheric Phenomenon
Understand deliquescence as a chemical process involving atmospheric moisture leading to a liquid solution. 
The deliquescence of hygroscopic compounds in humid environments prevents the storage of certain products without airtight containers.
Pro Tip 2/3Not Melting
Recognize the difference between deliquescence and melting; deliquescence involves dissolving from absorbed moisture, not heat. 
The deliquescence of the substance looked like melting, but it was the high humidity that caused it, not temperature.
Pro Tip 3/3Technical Vocabulary
Deliquescence is primarily used in scientific contexts, so it's not commonly found in everyday language. 
During the experiment, we observed the deliquescence of the sodium hydroxide pellets.
Compare with
AbsorptionCorrosionDecayDecompositionDisintegrateDissolutionMeltPutrefaction
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