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onychomycosis
on·y·cho·my·co·sis [ ònnəkō mī kṓssiss ]


noun 
Definition:
 
fungal infection of the nails: fingernail or toenail infection by fungi
[Mid-19th century. < Greek onukh-, stem of onux "nail, claw" + mycosis]
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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