Cataract
/kˈætərækt/
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Definition
(noun) A (large) waterfall, specifically one flowing over the edge of a cliff.
Sentence Examples
Six months ago I had an operation for the cataract in my right eye.
The WHO says cataract surgery could prevent 65 million people from becoming blind.
CEFR Practice Quiz
He had a successful operation to remove a ____ from his right eye city.