a congenital, hereditary skin disease characterized by roughening and thickening of the horny layer of the skin, producing dryness and scaling
Origin of ichthyosisModL: see ichthy(o)- and amp; -osis
A congenital, often hereditary skin disease marked by dry, thickened, scaly skin. Also called fishskin disease.
(countable and uncountable, plural ichthyoses)
- (pathology) A disease which gives the sufferer a dry, scaly skin.