ichthyosis ich·thy·o·sis (ĭk'thē-ō'sĭs)
n.
A congenital, often hereditary skin disease characterized by dry, thickened, scaly skin. Also called alligator skin, fish skin, fishskin disease, ichthyosis sauroderma.
ichthyotic ich·thy·ot·ic (ĭk'thē-ŏt'ĭk)
adj.
Of, relating to, or characterized by ichthyosis.