cat·a·ract

(kăt′ə-răkt′)

1. A large or high waterfall.

2. A great downpour; a deluge.

3. Medicine Opacity of the lens or capsule of the eye, causing impairment of vision or blindness.

[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.]

cat′a·rac′tous (-răk′təs) adj.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

cataract

(ˈkætəˌrækt)

1. (Physical Geography) a large waterfall or rapids

2. a deluge; downpour

3. (Pathology) pathol

a. partial or total opacity of the crystalline lens of the eye

b. the opaque area

[C15: from Latin catarracta, from Greek katarrhaktēs, from katarassein to dash down, from arassein to strike]

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

cat•a•ract

(ˈkæt əˌrækt)

n.

1. a descent of water over a steep surface; a waterfall, esp. one of considerable size.

2. any furious rush or downpour of water; deluge.

a. an abnormality of the eye characterized by opacity of the lens.

b. the opaque area.

[1350–1400; Middle English < Latin catar(r)acta waterfall, portcullis < Greek katarráktēs, akin to katarássein to dash down]

cat`a•rac′tal, cat`a•rac′tous, adj.

cat·a·ract

(kăt′ə-răkt′)

1. A cloudiness in the lens of an eye or the membrane that covers it, causing partial or total blindness.

2. A large, steep waterfall.

The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Cataract

a violent downpour or rush; anything likened to a waterfall. See also cascade.

Examples: cataract of nastiness; of evil news, 1864; of panegyrics; of water.

cataract

An opaque area that forms within the lens of the eye.

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun	1.	cataract - an eye disease that involves the clouding or opacification of the natural lens of the eye eye disease - any disease of the eye cortical cataract - a cataract that affects the lens cortex nuclear cataract - a cataract that affects the nucleus of the lens posterior subcapsular cataract - a cataract in the rear of the lens capsule
	2.	cataract - a large waterfall; violent rush of water over a precipice waterfall, falls - a steep descent of the water of a river

cataract

noun

1. (Medical) opacity (of the eye) a battle with blindness caused by cataracts

2. waterfall, falls, rapids, cascade, torrent, deluge, downpour, Niagara There was an impressive cataract at the end of the glen.

Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002

cataract

noun

An abundant, usually overwhelming flow or fall, as of a river or rain:

alluvion, cataclysm, deluge, downpour, flood, freshet, inundation, Niagara, overflow, torrent.

Chiefly British: spate.

Translations

إِعْتَامُ عَدَسَةِ العَيْـنشَلاّل، مَسْقطُ مياهشَلّاَل

šedý zákalvodopád

grå stærkataraktstær

grauer Star Wasserfall Katarakt

καταρράκτης

catarata

vesiputousharmaakaihikaihi

cataracte

mrenaslap

hályog

vagl

cataratta cateratta

大きな滝白内障

백내장큰 폭포

katarakta

катаракта большой водопад водопад

šedý zákal

forsgråstarr

ต้อน้ำตกที่สูงชัน

kataraktaksuçağlayan

màng thủy tinh thểthác nước lớn

白内障大瀑布

cataract

[ˈkætərækt] N

1. (= waterfall) → catarata f

2. (Med) → catarata f

Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

cataract

[ˈkætərækt] n

(MEDICINE) → cataracte f

(= waterfall) → cataracte f

cataract

(= rapids) → Katarakt m

(Med) → grauer Star

Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

cataract

[ˈkætəˌrækt] n (Geog, Med) → cateratta

cataract

(ˈkӕtərӕkt) noun

a clouding of the lens of the eye causing difficulty in seeing.

cataract

→ إِعْتَامُ عَدَسَةِ العَيْـن, شَلّاَل šedý zákal, vodopád grå stær, katarakt grauer Star, Wasserfall καταρράκτης catarata harmaakaihi, vesiputous cataracte mrena, slap cataratta, cateratta 大きな滝, 白内障 백내장, 큰 폭포 cataract, waterval foss, grå stær wodospad, zaćma catarata большой водопад, катаракта fors, gråstarr ต้อ, น้ำตกที่สูงชัน çağlayan, katarakt màng thủy tinh thể, thác nước lớn 大瀑布, 白内障

cat·a·ract

n. catarata, opacidad del cristalino;

anular ___ → ___ anular;

black ___ → ___ negra;

blue ___ → ___ cerúlea;

complete ___ → ___ completa;

congenital ___ → ___ congénita;

green ___ → ___ verde;

mature ___ → ___ madura;

senile ___ → ___ senil;

soft ___ → ___ blanda.

cataract

n catarata