Definitions for ichthyosisˌɪk θiˈoʊ sɪs
Random House Webster's College Dictionary
ich•thy•o•sisˌɪk θiˈoʊ sɪs(n.)
a hereditary disorder of the outermost horny tissue characterized by dry, scaly skin.
any of several congenital diseases in which the skin is dry and scaly like a fish
A disease which gives the sufferer a dry, scaly skin.
Origin: Modern , from ichthyo- + -osis.
a disease in which the skin is thick, rough, and scaly; -- called also fishskin
U.S. National Library of Medicine
Any of several generalized skin disorders characterized by dryness, roughness, and scaliness, due to hypertrophy of the stratum corneum epidermis. Most are genetic, but some are acquired, developing in association with other systemic disease or genetic syndrome.