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⇱ cataractous - WordReference.com Dictionary of English


WordReference Random House Learner's Dictionary of American English © 2026
cat•a•ract /ˈkætəˌrækt/USA pronunciation   n. [countable]
  1. a descent of water over a steep surface.
  2. Ophthalmologyan abnormal growth on the lens of the eye:to remove cataracts by laser surgery.

WordReference Random House Unabridged Dictionary of American English © 2026
cat•a•ract  (kat′ə rakt′),USA pronunciation n. 
  1. a descent of water over a steep surface;
    a waterfall, esp. one of considerable size.
  2. any furious rush or downpour of water;
    deluge.
  3. Ophthalmology
    • an abnormality of the eye, characterized by opacity of the lens.
    • the opaque area.
  • Greek katarráktēs waterfall, floodgate, portcullis (noun, nominal), downrushing (adjective, adjectival), akin to katarássein to dash down, equivalent. to kat- cata- + arássein to smite
  • Latin catar(r)acta
  • Middle English cataracte 1350–1400
cat′a•rac′tal, cat′a•rac′tous, adj. 
cat′a•ract′ed, adj. 

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