koilonychia

[koi-loh-nik-ee-uh]

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. 2018

koilonychia in Medicine

koilonychia

[koi′lō-nĭkē-ə]
n.
  1. 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.