efflorescence Meaning and Definition
1. n. a powdery deposit on a surface
2. n. the time and process of budding and unfolding of blossoms
3. n. any red eruption of the skin
4. n. the period of greatest prosperity or productivity
In chemistry, efflorescence (which means "to flower out" in French) is the migration of a salt to the surface of a porous material, where it forms a coating.
Antonyms withering
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