/ef'leuh res"euhns/ , n.
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. Chem.
a. the act or process of efflorescing.
b. the resulting powdery substance or incrustation.
4. Pathol. a rash or eruption of the skin.
[ 1620-30; efflorescentia. See EFFLORESCE, -ENCE ]