cataract

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cat·a·ract

 (kăt′ə-răkt′)
n.
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.

cataract

(ˈkætəˌrækt)
n
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]

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.
3.
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.

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:
Noun1.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.

cataract

noun
An abundant, usually overwhelming flow or fall, as of a river or rain:
Chiefly British: spate.
Translations
šedý zákalvodopád
grå stærkataraktstær
vesiputousharmaakaihikaihi
mrenaslap
hályog
vagl
大きな滝白内障
백내장큰 폭포
katarakta
katarakta
šedý zákal
forsgråstarr
ต้อน้ำตกที่สูงชัน
màng thủy tinh thểthác nước lớn

cataract

[ˈkætərækt] N
1. (= waterfall) → catarata f
2. (Med) → catarata f

cataract

[ˈkætərækt] n
(MEDICINE)cataracte f
(= waterfall) → cataracte f

cataract

n
(= rapids)Katarakt m
(Med) → grauer Star

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
References in classic literature ?
He appears by his modest and unaffected narration to have described things as he saw them, to have copied nature from the life, and to have consulted his senses, not his imagination; he meets with no basilisks that destroy with their eyes, his crocodiles devour their prey without tears, and his cataracts fall from the rock without deafening the neighbouring inhabitants.
Penney--the head of the Egyptian medical service, who, in a small steamer, penetrated one degree beyond Gondokoro, and then came back to die of exhaustion at Karthoum--nor Miani, the Venetian, who, turning the cataracts below Gondokoro, reached the second parallel-- nor the Maltese trader, Andrea Debono, who pushed his journey up the Nile still farther--could work their way beyond the apparently impassable limit.
We had such a beautiful day, and such endless pictures of limpid lakes, and green hills and valleys, and majestic mountains, and milky cataracts dancing down the steeps and gleaming in the sun, that we could not help feeling sweet toward all the world; so we tried to drink all the milk, and eat all the grapes and apricots and berries, and buy all the bouquets of wild flowers which the little peasant boys and girls offered for sale; but we had to retire from this contract, for it was too heavy.
Italian in the mouth of Italians is a deep-voiced stream, with unexpected cataracts and boulders to preserve it from monotony.
The habits of traffic engendered at the cataracts of the Columbia, have had their influence along the coast.
On each hand the walls of the ravine presented their overhanging sides both above and below the fall, affording no means whatever of avoiding the cataract by taking a circuit round it.
Presently a fair slip of a girl, about ten years old, with a cataract of golden hair streaming down over her shoulders, came along.
Then came the hill--a cataract, A dusty swirl, before us; The world stood round--a village world-- In fearful chorus
Just as Alice veiled her eyes in horror, under the impression that they were about to be swept within the vortex at the foot of the cataract, the canoe floated, stationary, at the side of a flat rock, that lay on a level with the water.
To-morrow my friends will fly up to the Second Cataract.
He reeled back with a shudder and the same moment the drops became a crimson cataract.
He was leading his troops through the forest, or sailing in a flat-boat on Lake Ontario, or sleeping in his tent, while the awful cataract of Niagara sent its roar through his dreams.