Standard Lemma guide

keratosis

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • Received-Pronunciation: /ˌkɛɹəˈtəʊsɪs/
  • US: /ˌkɛɹəˈtoʊsɪs/
  • US: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

The condition of having keratin growing on the skin.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

a skin condition marked by an overgrowth of layers of horny skin

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: skin disease, disease of the skin, skin disorder

Narrower terms: wart, verruca, actinic keratosis, keratosis blennorrhagica, keratoderma blennorrhagica, keratosis follicularis, Darier's disease, keratosis pilaris, seborrheic keratosis

History

Etymology

From kerat- + -osis.

Across languages

Translations

6 source translations are retained for this English entry.

  • Catalan: queratosi — condition
  • Catalan: ceratosi — condition
  • Chinese Mandarin: 角化症 (jiǎohuàzhèng) — condition
  • Finnish: keratoosi — condition
  • French: kératose — condition
  • Vietnamese: dày sừng — condition