pachyonychia
noun
pachy·o·nych·ia
ˌpak-ē-ō-ˈnik-ē-ə 
: extreme usually congenital thickness of the nails
Cite this Entry
“Pachyonychia.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/pachyonychia. Accessed 28 May. 2025.
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