Search Result for "decalcification": 
Wordnet 3.0

NOUN (1)

1. loss of calcium from bones or teeth; 



The Collaborative International Dictionary of English v.0.48:

Decalcification \De*cal`ci*fi*ca"tion\, n.
   The removal of calcareous matter.
   [1913 Webster]


WordNet (r) 3.0 (2006):

decalcification
    n 1: loss of calcium from bones or teeth