D defs.my
Entry 3 senses Webster, 1913

Efflorescence

· Ef·flo·res·cence · IPA /ˌɛfləˈɹɛsəns/
01 n. Flowering, or state of flowering; the blooming of flowers; blowth.
  1. 1.
    Flowering, or state of flowering; the blooming of flowers; blowth.(Bot.)
  2. 2.
    A redness of the skin; eruption, as in rash, measles, smallpox, scarlatina, etc.(Med.)
  3. 3.
    The formation of the whitish powder or crust on the surface of efflorescing bodies, as salts, etc.(Chem.)