Cataract meaning

kătə-răkt
Frequency:
A large or high waterfall.
noun
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A large waterfall.
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Any strong flood or rush of water; deluge.
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Opacity of the lens or capsule of the eye, causing impairment of vision or blindness.
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A great downpour; a deluge.
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An opacity of the lens of the eye or the membrane that covers it, causing impairment of vision or blindness.
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A waterfall in which a large volume of water flows over a steep precipice.
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A large waterfall; steep rapids in a river.

The cataracts on the Nile helped compartiment Upper Egypt.

noun
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A flood of water.
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An overwhelming downpour or rush.

His cataract of eloquence.

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(pathology) A disease of the eye causing its opacity and, unless treated, leading to blindness.
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The definition of a cataract is a flood, waterfall or rush of water, or an eye disease when the lens becomes opaque, causing partial or total blindness.

An example of a cataract is Niagara Falls.

An example of a cataract is an eye problem where the lens in an older person's eye gets cloudy causing vision issues.

noun
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Opacity of the lens or capsule of the eye, causing impairment of vision or blindness.
noun
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Origin of cataract

  • Middle English cataracte from Old French from Latin cataracta from Greek katarraktēs, kataraktēs downrush, waterfall, portcullis probably from katarassein to dash down (kat-, kata- cata-) (arassein to strike) Sense 3, from a comparison to a portcullis or other falling impediment or covering

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin cataracta 'waterfall, portcullis', from Ancient Greek καταράκτης (kataraktēs), from καταράσσω (katarassō, “I pour down”).

    From Wiktionary