Standard Lemma guide

keratoconus

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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  • CMU ARPABET: K EH2 R AH0 T AH0 K OW1 N AH0 S Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

A degenerative noninflammatory disorder of the eye in which structural changes within the cornea cause it to thin and change to a more conical shape than its normal even curve.

Definition source: English Wiktionary via Wiktextract

Topics: medicine, pathology, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

abnormal cone-shaped protrusion of the cornea of the eye; can be treated by epikeratophakia

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: astigmatism, astigmia

History

Etymology

From kerato- + Latin conus.

Across languages

Translations

22 source translations are retained for this English entry.

  • Albanian: keratokonus — degenerative disorder of the eye
  • Catalan: queratocon — degenerative disorder of the eye
  • Chinese Mandarin: 圓錐角膜 /圆锥角膜 (yuánzhuī jiǎomó) — degenerative disorder of the eye
  • Dutch: keratoconus — degenerative disorder of the eye
  • Finnish: kartiopullistuma — degenerative disorder of the eye
  • French: kératocône — degenerative disorder of the eye
  • German: Keratokonus — degenerative disorder of the eye
  • Hebrew: קרטוקונוס (qeraṭoqonus) — degenerative disorder of the eye
  • Hungarian: keratoconus — degenerative disorder of the eye
  • Italian: cheratocono — degenerative disorder of the eye
  • Japanese: 円錐角膜 (ensuikakumaku) — degenerative disorder of the eye
  • Korean: 원추각막 (wonchugangmak) — degenerative disorder of the eye
  • Polish: stożek rogówki — degenerative disorder of the eye
  • Portuguese: ceratocone — degenerative disorder of the eye
  • Russian: кератоконус (keratokonus) — degenerative disorder of the eye
  • Serbo-Croatian: кератоконус — degenerative disorder of the eye
  • Serbo-Croatian: keratokonus — degenerative disorder of the eye
  • Spanish: queratocono — degenerative disorder of the eye
  • Swedish: keratokonus — degenerative disorder of the eye
  • Tamil: கூம்புக்கருவிழி (kūmpukkaruviḻi) — degenerative disorder of the eye
  • Turkish: keratokonus — degenerative disorder of the eye
  • Ukrainian: кератоконус (keratokonus) — degenerative disorder of the eye