cataract


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Related to cataract: Cataract surgery, glaucoma

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 ?
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.
There was a lake here, in the lap of the great mountains, the green slopes that rose toward the lower crags were graced with scattered Swiss cottages nestling among miniature farms and gardens, and from out a leafy ambuscade in the upper heights tumbled a brawling cataract.
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.
Were Niagara but a cataract of sand, would you travel your thousand miles to see it?
Like the fabulous Gordon Pym, at every moment I expected to see "that veiled human figure, of larger proportions than those of any inhabitant of the earth, thrown across the cataract which defends the approach to the pole.
Surely it is not possible to feel otherwise, any more than it would be possible for a man with cataract to regret the painful process by which his dim blurred sight of men as trees walking had been exchanged for clear outline and effulgent day.
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.