onychoschizia

noun
on·​y·​cho·​schiz·​ia | \ -ˈskit-sē-ə How to pronounce onychoschizia (audio) , -ˈskiz-ē-ə How to pronounce onychoschizia (audio) \

Medical Definition of onychoschizia

: a condition of the nails marked by lamination in two or more layers and by scaling away in thin flakes

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