|1.||to burst forth into or as if into flower; bloom|
|2.||to become powdery by loss of water or crystallization|
|3.||to become encrusted with powder or crystals as a result of chemical change or the evaporation of a solution|
|[C18: from Latin efflōrēscere to blossom, from flōrēscere, from flōs flower]|
effloresce ef·flo·resce (ěf'lə-rěs')
v. ef·flo·resced, ef·flo·resc·ing, ef·flo·resc·es
To blossom; bloom.
To become a powder by losing water of crystallization, as when a hydrated crystal is exposed to air.