hapalonychia

hap·a·lo·nych·i·a

(hap'ă-lō-nik'ē-ă), Thinning of nails resulting in bending and breaking of the free edge, with longitudinal fissures. Synonym(s): eggshell nail [G. hapalos, soft + G. onyx (onych-), nail]

hapalonychia

(hap?al-o-nik'e-a) [Gr. hapalos, soft, + onyx, nail] Onychomalacia.