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 (ē′bər-nā′shən, ĕb′ər-)
Degeneration of bone into a hard, ivorylike mass, as that which occurs at the articular surfaces of bones in osteoarthritis.

[From Latin eburnus, ivory, from ebur; see ivory.]


(ˌiːbəˈneɪʃən; ˌɛb-) or


(Pathology) a degenerative condition of bone or cartilage characterized by unusual hardness and a polished appearance
[C19: from Latin eburnus of ivory, from ebur ivory]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.eburnation - a change that occurs in degenerative joint disease in which bone is converted into a dense smooth substance resembling ivory
biological process, organic process - a process occurring in living organisms
References in periodicals archive ?
Radiographically, the specimen had intact cortical edges with no evidence of bone sclerosis, in contrast to the sharp, irregular margins seen in spondylolysis.
3 and 4 respectively) presented the following effects: deformation of the mandibular condyle and articular tubercle; bone sclerosis; altered dimensions in the condyle (vertical or latero-medial); cortical erosion; presence of osteophytes; presence of subchondral cyst.
It is often seen as recurrent mandibular osteitis demonstrating bone sclerosis, mainly involving the body of the mandible [3].
The radiological findings are diffuse bone sclerosis that occurs bilaterally and symmetrically in the meta-diaphysis regions of the long bones [2, 7]; bone scintigraphy notes increased tracer uptake particularly involving meta-diaphysis of the femurs and tibias [8].
Osteoclast malfunction resulting in primary sclerosing conditions of bone must be differentiated from several conditions wherein bone sclerosis results as a secondary phenomenon.
Periostitis' signs and an image of "onion leaves" along with bone sclerosis at the bicipital tuberosity of the radius.