- to blossom out; flower; bloom
- to change from a crystalline to a powdery state through loss of the water of crystallization when exposed to air
- to develop a powdery crust as a result of evaporation or chemical change
Origin of effloresceClassical Latin efflorescere, to blossom, flourish ; from ex-, out + florescere, to begin to blossom ; from florere, to blossom ; from flos (gen. floris), a flower: see bloom
intransitive verbef·flo·resced, ef·flo·resc·ing, ef·flo·resc·es
- To blossom; bloom.
- To develop or flourish: when the arts effloresced.
- 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.
Origin of effloresceLatin effl&omacron;r&emacron;scere : ex-, ex- + fl&omacron;r&emacron;scere, inchoative of fl&omacron;r&emacron;re, to blossom (from fl&omacron;s, fl&omacron;r-, flower; see bhel-3 in Indo-European roots).
(third-person singular simple present effloresces, present participle efflorescing, simple past and past participle effloresced)