Definition of Pachyonychia

Pachyonychia: Elephant nail, a fingernail or toenail that is abnormally thick. From the Greek pachys, thick + onyx, nail = thick nail.

Last Editorial Review: 6/14/2012

Search MedTerms:

Back to MedTerms online medical dictionary A-Z List
Pill Identifier Tool

Need help identifying pills and medications?
Use the pill finder tool on RxList.