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eburnation

American  
[ee-ber-nay-shuhn, eb-er-] / ˌi bərˈneɪ ʃən, ˌɛb ər- /

noun

Pathology.
  1. an abnormal condition in which bone becomes hard and dense like ivory.


eburnation British  
/ ˌiːbəˈneɪʃən, ˌɛb- /

noun

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

"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

Etymology

Origin of eburnation

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


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The common type of lesion is a dry arthritis with fibrillation and eburnation of the articular surfaces.

From Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. by Alexander Miles

An interesting feature, sometimes met with in arthritis deformans, consists in eburnation of the articular surfaces of the carpal bones, although the range of movement is almost nil.

From Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. by Alexander Miles

There is eburnation of the articular surfaces in those areas most exposed to friction and pressure.

From Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. by Alexander Miles

Arthritis deformans occurs as a hydrops with hypertrophy of the synovial fringes and loose bodies, or as a dry arthritis with eburnation and lipping of the articular margins.

From Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. by Alexander Miles

Deformans of Knee, showing eburnation and grooving of articular surfaces.

From Manual of Surgery Volume First: General Surgery. Sixth Edition. by Alexis Thomson

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