[ ik-thee-oh-sis ]

  1. a hereditary skin disease in which the epidermis continuously flakes off in large scales or plates.

Origin of ichthyosis

From New Latin, dating back to 1805–15; see origin at ichthy-, -osis

Other words from ichthyosis

  • ich·thy·ot·ic [ik-thee-ot-ik], /ˌɪk θiˈɒt ɪk/, adjective

Words Nearby ichthyosis

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use ichthyosis in a sentence

  • So are the elbows and the knees; and similar portions of the thighs and the arms may be found affected with ichthyosis.

    On the Genesis of Species | St. George Mivart
  • ichthyosis simplex and ichthyosis hystrix, terms commonly employed to designate the mild and severe forms respectively.

    Essentials of Diseases of the Skin | Henry Weightman Stelwagon
  • How is ichthyosis to be distinguished from eczema, psoriasis, and other scaly inflammatory diseases?

    Essentials of Diseases of the Skin | Henry Weightman Stelwagon
  • In severe cases of ichthyosis hystrix it may be necessary, also, to employ caustics or the knife.

    Essentials of Diseases of the Skin | Henry Weightman Stelwagon
  • All however were well nourished, and their functions, save that of the skin (five had acne and one ichthyosis) well performed.

    The Criminal | Havelock Ellis

British Dictionary definitions for ichthyosis


/ (ˌɪkθɪˈəʊsɪs) /

  1. a congenital disease in which the skin is coarse, dry, and scaly: Also called: xeroderma Nontechnical name: fishskin disease

Derived forms of ichthyosis

  • ichthyotic (ˌɪkθɪˈɒtɪk), adjective

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012