1. 
   Surdity
   Surd'i·ty noun [ Latin surditas .] Deafness. [ Obsolete]
   Found op http://www.encyclo.co.uk/webster/S/249
   
   
2. 
   surdity
   Alternative term for deafness. ... Origin: L. Surditas ... (18 Nov 1997) ...
   Found op http://www.mondofacto.com/facts/dictionary?surdity
   
   
3. 
   Surdity
   • (n.) Deafness.
   Found op http://thinkexist.com/dictionary/meaning/surdity/
   
   
4. 
   surdity
   (L. surditas) deafness.
   Found op http://users.ugent.be/~rvdstich/eugloss/DIC/dictio84.html
   
   

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