efflorescence

noun

1. the state or a period of flowering.
2. an example or result of growth and development: These works are the efflorescence of his genius.
3. Chemistry.
   1. the act or process of efflorescing.
   2. the resulting powdery substance or incrustation.
4. Pathology. a rash or eruption of the skin.

noun

1. a bursting forth or flowering
2. chem geology
   1. the process of efflorescing
   2. the powdery substance formed as a result of this process, esp on the surface of rocks
3. any skin rash or eruption

1. A whitish, powdery deposit on the surface of rocks or soil in dry regions. It is formed as mineral-rich water rises to the surface through capillary action and then evaporates. Efflorescence usually consists of gypsum, salt, or calcite.
2. See anthesis.