Category:Efflorescence

Ef`flo*res"cence, n. Etym: [F. efflorescence.]

1. (Bot.)

Defn: Flowering, or state of flowering; the blooming of flowers; blowth.

2. (Med.)

Defn: A redness of the skin; eruption, as in rash, measles, smallpox, scarlatina, etc.

3. (Chem.) (a) The formation of the whitish powder or crust on the surface of efflorescing bodies, as salts, etc. (b) The powder or crust thus formed.