eburnation

American  

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

noun

Pathology.

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

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eburnation British  

/ ˌɛb-, ˌiːbəˈneɪʃən /

noun

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

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Etymology

Origin of eburnation

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

Example Sentences

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 Miles, Alexander

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 Miles, Alexander

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 Miles, Alexander

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 Miles, Alexander

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

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