WordReference Random House Unabridged Dictionary of American English © 2026
o•nych•i•a
(ō nik′ē ə),USA pronunciation n. [Pathol.]
- Pathologyinflammation of the matrix of the nail.
- Neo-Latin, equivalent. to Greek onych-, stem of onyx nail (see onyx) + Neo-Latin -ia -ia
- 1855–60