Definition of "eburnation" []

• Degeneration of bone into a hard, ivorylike mass, as that which occurs at the articular surfaces of bones in osteoarthritis. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "'eburnation' -- that is a sort of porcelain-like polish that occurs on the parts of bones that form a joint when the natural covering of cartilage is destroyed by disease."
• "The point is that the cavity of the right hip-joint showed a patch of eburnation corresponding to that on the head of the right thigh-bone that was found at St. Mary Cray."
• ""You must mean 'eburnation,'" I said, after a moment's reflection."