English-Thai Dictionary
cataract
N ต้อ ต้อกระจก ต้อแก้วตา tor
cataract
N น้ำตก ที่ สูงชัน waterfall rapids nam-tok-ti-sung-chan
Webster's 1828 Dictionary
CATARACT
n. 1. A great fall of water over a precipice; as that of Niagara, of the Rhine, Danube and Nile. It is a cascade upon a great scale.
The tremendous cataracts of America thundering in their solitudes.
2. In medicine and surgery, an opacity of the cystaline lens, or its capsule; a disorder in the eye, by which the pupil, which is usually black and transparent, becomes opake, blue, gray, brown, etc. , by which vision is impaired or destroyed.
Webster's 1913 Dictionary
CATARACT
Cat "a *ract, n. Etym: [L. cataracta, catarracles, a waterfall, Gr.
1. A great fall of water over a precipice; a large waterfall.
2. (Surg.)
Defn: 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. )
Defn: A kind of hydraulic brake for regulating the action of pumping engines and other machines; -- sometimes called dashpot.
CATARACTOUS
CATARACTOUS Cat `a *rac "tous, a.
Defn: Of the nature of a cataract in the eye; affected with cataract.
New American Oxford Dictionary
cataract
cat a ract |ˈkatəˌrakt ˈkædəˌrækt | ▶noun 1 a large waterfall. • a sudden rush of water; a downpour: the rain enveloped us in a deafening cataract. 2 a medical condition in which the lens of the eye becomes progressively opaque, resulting in blurred vision: she had cataracts in both eyes. ORIGIN late Middle English: from Latin cataracta ‘waterfall, floodgate, ’ also ‘portcullis ’ (medical sense 2 probably being a figurative use of this ), from Greek kataraktēs ‘down-rushing, ’ from katarassein, from kata- ‘down ’ + arassein ‘strike, smash. ’
Oxford Dictionary
cataract
cataract |ˈkatərakt | ▶noun 1 a large waterfall. • a sudden rush of water; a downpour: the rain enveloped us in a deafening cataract. 2 a medical condition in which the lens of the eye becomes progressively opaque, resulting in blurred vision: she had cataracts in both eyes. ORIGIN late Middle English: from Latin cataracta ‘waterfall, floodgate ’, also ‘portcullis ’ (medical sense 2 probably being a figurative use of this ), from Greek kataraktēs ‘down-rushing ’, from katarassein, from kata- ‘down ’ + arassein ‘strike, smash ’.
American Oxford Thesaurus
cataract
cataract noun the glistening cataract made a spectacular backdrop for our photo shoot: waterfall, cascade, falls, rapids, white water.
Oxford Thesaurus
cataract
cataract noun 1 the river descends in a succession of spectacular cataracts: waterfall, cascade, falls, rapids, white water; torrent; downpour, shower; N. English force; Scottish archaic linn. 2 he had cataracts in both eyes: opacity, opaqueness.
French Dictionary
cataracte
cataracte n. f. nom féminin 1 Chute d ’un grand cours d ’eau, où il y a une importante différence de niveau entre deux points (Recomm. off. ). Note Sémantique Ne pas confondre avec les noms suivants: • cascade, chute d ’eau de faible débit, comportant ordinairement plusieurs paliers; • chute, masse d ’eau tombant brusquement à l ’emplacement d ’une rupture de pente; • rapide, partie d ’un cours d ’eau, souvent hérissée de roches, où le courant devient rapide et agité par suite d ’un resserrement du lit ou d ’une faible augmentation de la pente. Note Typographique Les noms génériques de géographie s ’écrivent avec une minuscule. 2 médecine Affection de l ’œil rendant partiellement ou totalement aveugle. : Elle a été opérée de la cataracte. Note Sémantique Ne pas confondre avec le nom vieilli catarrhe, rhume.
Sanseido Wisdom Dictionary
cataract
cat a ract /kǽtəræ̀kt /名詞 複 ~s /-ts /C 1 〘医 〙〖通例 ~s 〗白内障 .2 ⦅文 ⦆大滝 , 瀑布 (ばくふ )(→waterfall ).3 〖通例 ~s 〗急流 ; 豪雨 ; 大洪水 .