intr.v. ef·flo·resced, ef·flo·resc·ing, ef·flo·resc·es 1. To blossom; bloom. 2. To develop or flourish: when the arts effloresced. 3. Chemistry a. To become a powder by losing water of crystallization, as when a hydrated crystal is exposed to air. b. To become covered with a powdery deposit. [Latin efflōrēscere : ex-, ex- + flōrēscere, inchoative of flōrēre, to blossom (from flōs, flōr-, flower; see bhel-3 in the Appendix of Indo-European roots).] |
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