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[oh-nik-ee-uh] /oʊˈnɪk i ə/
noun, Pathology.
inflammation of the matrix of the nail.
Origin of onychia
1855-60; < New Latin, equivalent to Greek onych-, stem of onyx nail (see onyx) + New Latin -ia -ia Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for onychia
Historical Examples
  • The commonest form of onychia has already been referred to with whitlow.

    Manual of Surgery Alexis Thomson and Alexander Miles
  • Paronychium-ia: one or more bristle-like appendages of onychia; q.v.

  • Back pressure upon the matrix from a short shoe upon a thick unresisting nail, is frequently the cause of onychia.

  • onychia is the term applied to an infection of the soft parts around the nail or of the matrix beneath it.

    Manual of Surgery Alexis Thomson and Alexander Miles
British Dictionary definitions for onychia


(vet science) inflammation of the nails or claws of animals
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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onychia in Medicine

onychia o·nych·i·a (ō-nĭk'ē-ə)
Inflammation of the fingernail or toenail matrix. Also called onychitis.

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