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1. (n.) cataract
a descent of water over a steep surface; a waterfall, esp. one of considerable size.
2. cataract
any furious rush or downpour of water; deluge.
3. cataract
an abnormality of the eye characterized by opacity of the lens.
4. cataract
the opaque area.
Etymology: (1350–1400; ME < L catar(r)acta waterfall, portcullis < Gk katarráktēs, akin to katarássein to dash down)
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| Definition of 'cataract' |
Princeton's WordNet |
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1. (noun) cataract
an eye disease that involves the clouding or opacification of the natural lens of the eye
2. (noun) cataract
a large waterfall; violent rush of water over a precipice
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| Definition of 'cataract' |
Webster Dictionary |
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1. (noun) cataract
a great fall of water over a precipice; a large waterfall
2. (noun) cataract
an opacity of the crystalline lens, or of its capsule, which prevents the passage of the rays of light and impairs or destroys the sight
3. (noun) cataract
a kind of hydraulic brake for regulating the action of pumping engines and other machines; -- sometimes called dashpot
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| Definition of 'cataract' |
U.S. National Library of Medicine |
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1. cataract
Partial or complete opacity on or in the lens or capsule of one or both eyes, impairing vision or causing blindness. The many kinds of cataract are classified by their morphology (size, shape, location) or etiology (cause and time of occurrence). (Dorland, 27th ed)
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Sense: a clouding of the lens of the eye causing difficulty in seeing.
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 Afrikaans: katarak |
 Arabic: شَلاّل، مَسْقطُ مياه |
 Bulgarian: катарак |
 Brazilian: catarata |
 Czech: šedý zákal |
 German: grauer Star |
 Danish: grå stær; stær; katarakt |
 Greek: καταρράκτης (στο μάτι) |
 Spanish: catarata |
 Estonian: hall kae |
 Farsi: آب مروارید |
 Finnish: kaihi |
 French: cataracte |
 Hebrew: קָטַרַקט |
 Hindi: मोतियाबिन्द |
 Croatian: mrena oka |
 Hungarian: hályog |
 Indonesian: katarak |
 Icelandic: vagl |
 Italian: cataratta |
 Japanese: 白内障 |
 Korean: 백내장 |
 Lithuanian: katarakta |
 Latvian: katarakta |
 Malay: katarak |
 Dutch: grauwe staar |
 Norwegian: grå stær |
 Polish: zaćma |
 Persian: آب مروارید |
 Pashto: لوى جړوبى (اّبشار): دسترګ |
 Portuguese: catarata |
 Romanian: cataractă |
 Russian: катаракта |
 Slovak: šedý zákal |
 Slovenian: očesna mrena |
 Serbian: katarakta |
 Swedish: grå starr |
 Thai: ต้อ |
 Turkish: katarakt, aksu |
 Taiwanese: 白內障 |
 Ukrainian: катаракта |
 Urdu: آنکھ کا موتیا |
 Vietnamese: bệnh đục thể thủy tinh |
 Chinese: 白内障 |
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| Alternative search options for 'cataract' |
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Definitions of cataract 
