Thesaurus: cataract

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1. n. A great fall of water over a precipice; a large waterfall.
2. n. 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. n. A kind of hydraulic brake for regulating the action of pumping engines and other machines; -- sometimes called dashpot.
4. n. an eye disease that involves the clouding or opacification of the natural lens of the eye
5. n. a large waterfall; violent rush of water over a precipice
6. 1. A great fall of water over a precipice; a large waterfall. 2. (Surg.) 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. (Mach.) A kind of hydraulic brake for regulating the action of pumping engines and other machines; -- sometimes called dashpot.
7. An opacity of the crystalline lens, or of its capsule, whichprevents the passage of the rays of light and impairs or destroys thesight.
8. n:100 n. an eye disease that involves the clouding or opacification of the natural lens of the eye n. a large waterfall; violent rush of water over a precipice