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[ee-ber-ney-shuh n, eb-er-] /ˌi bərˈneɪ ʃən, ˌɛb ər-/
noun, Pathology.
an abnormal condition in which bone becomes hard and dense like ivory.
Origin of eburnation
1830-40; < Latin eburn(us) of ivory (equivalent to ebur ivory + -nus adj. suffix) + -ation Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for eburnation


/ˌiːbəˈneɪʃən; ˌɛb-/
a degenerative condition of bone or cartilage characterized by unusual hardness and a polished appearance
Word Origin
C19: from Latin eburnus of ivory, from ebur ivory
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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eburnation in Medicine

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

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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