[1] : The Collaborative International Dictionary of English v.0.48

deafness \deaf"ness\, n.
   1. incapacity of perceiving sounds; the state of the organs
      which prevents the impression which constitute hearing;
      want of the sense of hearing.
      1913 webster

   2. unwillingness to hear; voluntary rejection of what is
      addressed to the understanding.
      1913 webster

   nervous deafness, a variety of deafness dependent upon
      morbid change in some portion of the nervous system,
      especially the auditory nerve.
      1913 webster
see also:
nervous deafness 

[2] : WordNet (r) 2.0

deafness
     n : partial or complete loss of hearing syn: hearing loss
see also:
hearing loss 

Deafness >> D Words
Deafness, definition of term: Deafness
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