ichthyosis
ich·thy·o·sis/ˌɪk.θiːˈəʊ̯.sɪs/noun
ichthyosis is a noun meaning “Any of a group of genetic skin disorders characterized by dry, thickened, scaly skin” (English Wiktionary, September 2026). It is spelled I-C-H-T-H-Y-O-S-I-S and has 4 syllables (ich·thy·o·sis), and it appears about once in every 15 million words in written English (wordfreq, 2021 data). The plural of ichthyosis is ichthyoses.
What does ichthyosis mean?
noun
- 1
Any of a group of genetic skin disorders characterized by dry, thickened, scaly skin.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How do you pronounce ichthyosis?
- /ˌɪk.θiˈəʊ̯.sɪs/
- /ˌɪk.θiˈəʊ̯.səs/
- UK /ˌɪk.θiːˈəʊ̯.sɪs/
Ichthyosis has 4 syllables, split ich·thy·o·sis in writing.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Wodencafe-ichthyosis.wav, Wikimedia Commons (author and licence on each file's page).
Forms of ichthyosis
- ichthyoses plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is ichthyosis?
Ichthyosis appears about once in every 15 million words in written English, the 118,441st most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
Ichthyosis in Spanish, French, German and Portuguese
In the sense disease which gives the sufferer dry scaly skin:
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does ichthyosis come from?
Learned borrowing from New Latin ichthyōsis. By surface analysis, ichthyo- + -osis. First attested in 1815.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).