Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A deformity of the nails characterized by concavity of the outer surface

from The Century Dictionary and Cyclopedia

  • n. A spoon-shaped finger-nail with surface concave instead of convex.

Etymologies

Sorry, no etymologies found.

Examples

  • Also known as koilonychia, spoon nails can be a sign of iron-deficiency anemia.

    Canadian Online Health News

  • I knew because she had koilonychia, concave, spoon-shaped nails.

    Simple Skin Beauty

  • It had some beneficial effect on my nails, but, unfortunately, I stopped taking the supplements shortly after that and saw the resumption of nail problems including the koilonychia.

    Life Begins at 41...or maybe 43

  • I doubt there is any kind of a familial tendency (not that there are any recognized genetic causes of iron-deficiency anemia) - my great aunt and my sister both suffer (ed) from pernicious anemia but I don't know of anyone in my family who had iron-deficiency anemia except for me, but then again I am usually the odd one out in my family. anemia and koilonychia a year and a half ago, I'd half-heartedly experimented with taking my multi-vitamin supplements.

    Life Begins at 41...or maybe 43

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