Eburnation

2 definitions found

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

  Eburnation \E`bur*na"tion\, n. [L. eburnus of ivory, fr. ebur
     ivory: cf. F. ['e]burnation. See {Ivory}.] (Med.)
     A condition of bone cartilage occurring in certain diseases
     of these tissues, in which they acquire an unnatural density,
     and come to resemble ivory.
     [1913 Webster]



From WordNet (r) 2.0 [wn]:

  eburnation
       n : a change that occurs in degenerative joint disease in which
           bone is converted into a dense smooth substance
           resembling ivory