Showing results for koilonychia. Search instead for polyonychia .

koilonychia

American

[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.

Etymology

Origin of koilonychia

1900–05; < Greek koîl ( os ) hollow + onych- (stem of ónyx nail; onyx ) + -ia

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A. You are describing what may be “koilonychia.”

From Seattle Times

And according the American Family Physician, iron-deficiency is associated with koilonychia—a nail disease characterized by spoon-shaped nails.

From Time

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023