Definition of onychogryphosis in English:

onychogryphosis

(also onychogryposis)

noun

Medicine
  • Excessive growth, accompanied by thickening and curvature, of one or more nails (usually toenails).

Origin

Mid 19th century; earliest use found in Robley Dunglison (1798–1869), physician and medical writer. From onycho- + post-classical Latin gryphosis curvature of the nails from Byzantine Greek γρύπωσις hooking of the nails from ancient Greek γρυπῶσθαι to become hooked + -ωσις.

Pronunciation

onychogryphosis

/ˌɒnɪkəʊɡrɪˈfəʊsɪs/