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[per-ee-oh-nik-ee-uh m] /ˌpɛr i oʊˈnɪk i əm/
noun, plural perionychia
[per-ee-oh-nik-ee-uh] /ˌpɛr i oʊˈnɪk i ə/ (Show IPA).
the epidermis surrounding the base and sides of a fingernail or toenail.
Origin of perionychium
From New Latin, dating back to 1900-05; See origin at perionychia1, -ium Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for perionychium


noun (pl) -ia (-ɪə)
the skin that surrounds a fingernail or toenail
Word Origin
C19: New Latin, from peri- + Greek onux a nail
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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perionychium in Medicine

perionychium per·i·o·nych·i·um (pěr'ē-ə-nĭk'ē-əm)
n. pl. per·i·o·nych·i·a (-ē-ə)
The border of epidermal tissue surrounding a fingernail or toenail. Also called nail skin.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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