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eburnation

[ee-ber-ney-shuh n, eb-er-]
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noun Pathology.
  1. an abnormal condition in which bone becomes hard and dense like ivory.
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Origin of eburnation

1830–40; < Latin eburn(us) of ivory (equivalent to ebur ivory + -nus adj. suffix) + -ation
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for eburnation

eburnation

noun
  1. a degenerative condition of bone or cartilage characterized by unusual hardness and a polished appearance
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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

eburnation in Medicine

eburnation

(ē′bər-nāshən, ĕb′ər-)
n.
  1. Degeneration of bone into a hard, ivorylike mass, such as occurs at articular surfaces of bones in osteoarthritis.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.