a descent of water over a steep surface; a waterfall, especially one of considerable size.
any furious rush or downpour of water; deluge.
an abnormality of the eye, characterized by opacity of the lens.
the opaque area.
- cat·a·rac·tal, cat·a·rac·tous, adjective
- cat·a·ract·ed, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use cataract in a sentence
They also protect your peepers from retinal cell damage and prevent this particular lightwave from contributing to the formation of cataracts and eye cancer.
He spent two years without his sight, needing inmates to read his medical bottles, simply because the prisons wouldn’t schedule him to have cataract surgery.
The same goes for cataracts, pneumonia, tetanus, asthma, and liver disease.How a Nobel Prize winner spread the vitamin C myth | empire | June 26, 2021 | Popular-Science
Another senior was offered an appointment at night but cannot drive in the dark because of cataracts.One voter outreach group used to offer rides to the polls. Now they’re helping people get vaccinated. | Teo Armus | March 26, 2021 | Washington Post
She has made an appointment for cataract surgery, and he has scheduled a colonoscopy and hopes to do the same for a dental visit.Vaccinated lives: 5 health experts revel in simple pleasures | Lena H. Sun | March 10, 2021 | Washington Post
The Old cataract Hotel, built in 1899, is owned by the Egyptian government but managed by Sofitel, a French luxury hotel group.Winston Churchill’s Egyptian Getaway: The Old Cataract Hotel | Lauren Bohn | December 15, 2013 | THE DAILY BEAST
Redundancy in general remains an issue for Wolcott: “white-boned,” “pale-moon,” “bulk-sized,” “streaming cataract,” “forlorn rue.”The Obligation to be Interesting: James Wolcott’s “Critical Mass” | William Giraldi | October 24, 2013 | THE DAILY BEAST
A vast mountain of green water lifted up its bulk and fell upon us in a ravening cataract.Uncanny Tales | Various
It was not a sea that came away; it was a mere enormous cataract that poured on irresistibly.The Chequers | James Runciman
Even as he spoke the dull growl of a cataract was heard, and, a few minutes later, the party came upon the ford of the river.Hunted and Harried | R.M. Ballantyne
The Baron de Wentzel was the most famous oculist of the day, and the discoverer of operations for cataract.Private Letters of Edward Gibbon (1753-1794) Volume 1 (of 2) | Edward Gibbon
See, Wharton, there is a man crossing in the very eddies of the cataract, and in a skiff no bigger than an egg-shell.The Spy | J. Fenimore Cooper
British Dictionary definitions for cataract
a large waterfall or rapids
a deluge; downpour
partial or total opacity of the crystalline lens of the eye
the opaque area
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for cataract
An opacity of the lens of the eye or the membrane that covers it, causing impairment of vision or blindness.
A waterfall in which a large volume of water flows over a steep precipice.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Cultural definitions for cataract
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.