eburnation

eburnation

[ee-ber-ney-shuhn, eb-er-]
noun Pathology.
an abnormal condition in which bone becomes hard and dense like ivory.

Origin:
1830–40; < Latin eburn(us) of ivory (equivalent to ebur ivory + -nus adj. suffix) + -ation

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World English Dictionary
eburnation (ˌiːbəˈneɪʃən, ˌɛb-)
 
n
a degenerative condition of bone or cartilage characterized by unusual hardness and a polished appearance
 
[C19: from Latin eburnus of ivory, from ebur ivory]

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American Heritage
Medical Dictionary

eburnation e·bur·na·tion (ē'bər-nā'shən, ěb'ər-)
n.
Degeneration of bone into a hard, ivorylike mass, such as occurs at articular surfaces of bones in osteoarthritis.

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