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effrontery
effulgence
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effloresce

ef·flo·resce [ èfflə réss ] (past and past participle ef·flo·resced, present participle ef·flo·resc·ing, 3rd person present singular ef·flo·resc·es)


intransitive verb 
Definition:
 
1. botany bloom: to bloom or develop, like a flower coming into blossom ( literary )

2. chemistry lose water from crystal: to lose water water of crystallization and become a powder ( refers to crystals )

3. chemistry become encrusted with powdery deposit: to become encrusted with a powdery deposit or crystals as a result of chemical change or the evaporation of a solution

[Late 18th century. < Latin efflorescere< florescere "come into flower" < flos "flower"]
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