[ koi-loh-nik-ee-uh ]
/ ˌkɔɪ loʊˈnɪk i ə /

noun Medicine/Medical.

an abnormal condition in which the outer surfaces of the nails are concave; spoon nail.

Words nearby koilonychia

Origin of koilonychia

1900–05; < Greek koîl(os) hollow + onych- (stem of ónyx nail; see onyx) + -ia
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for koilonychia

[ koi′lō-nĭkē-ə ]


A nail deformity characterized by concavity of the outer surface of the nail.celonychia spoon nail
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.