cataract

US /ˈkæt̬.ə.rækt/
UK /ˈkæt̬.ə.rækt/
"cataract" picture
1.

a medical condition in which the lens of the eye becomes progressively opaque, resulting in blurred vision.

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She had surgery to remove a cataract from her left eye.
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Untreated cataracts can lead to blindness.
:
opacity of the lensclouding of the lens
2.

a large waterfall

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The river plunged over the cliff in a magnificent cataract.
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We could hear the roar of the distant cataract.
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waterfallcascaderapids