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2 definitions found
 for efflorescence
From The Collaborative International Dictionary of English v.0.48 :

  Efflorescence \Ef`flo*res"cence\, n. [F. efflorescence.]
     1. (Bot.) Flowering, or state of flowering; the blooming of
        flowers; blowth.
        [1913 Webster]
     2. (Med.) A redness of the skin; eruption, as in rash,
        measles, smallpox, scarlatina, etc.
        [1913 Webster]
     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.
            [1913 Webster]

From WordNet (r) 3.0 (2006) :

      n 1: the period of greatest prosperity or productivity [syn:
           flower, prime, peak, heyday, bloom, blossom,
           efflorescence, flush]
      2: any red eruption of the skin [syn: rash, roseola,
         efflorescence, skin rash]
      3: the time and process of budding and unfolding of blossoms
         [syn: blossoming, flowering, florescence,
         inflorescence, anthesis, efflorescence]
      4: a powdery deposit on a surface [syn: efflorescence,

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