Cataract
- Cataract
- Cataract Cat"a*ract, n. [L. cataracta, catarracles, a
waterfall, Gr. ?, ?, fr. ? to break down; in the passive, to
fall or rush down (of tumors) to burst; kata` down + ? to
break.]
1. A great fall of water over a precipice; a large waterfall.
[1913 Webster]
2. (Surg.) 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.
[1913 Webster]
3. (Mach.) A kind of hydraulic brake for regulating the
action of pumping engines and other machines; -- sometimes
called {dashpot}.
[1913 Webster]
The Collaborative International Dictionary of English.
2000.
:
Look at other dictionaries:
Cataract — Saltar a navegación, búsqueda Cataract Información personal Origen Zug, Suiza … Wikipedia Español
Cataract — steht für Cataract (Band), Schweizer Band Cataract (Lied) Cataract (Wisconsin), Gemeinde in den Vereinigten Staaten Cataract (New South Wales), Ortschaft in Australien Siehe auch: Katarakt Cataract River … Deutsch Wikipedia
Cataract — Pays d’origine Suisse Genre musical Metalcore Années d activité 1998 présent Labels … Wikipédia en Français
cataract — [kat′ə rakt΄] n. [ME cataracte, floodgate (of heaven), cataract (of the eye) < L cataracta, a waterfall, portcullis < Gr katarhaktēs < katarhassein, to dash down < kata , down + rhassein, to strike or ? arassein, to smite] 1. a large… … English World dictionary
cataract — index spate Burton s Legal Thesaurus. William C. Burton. 2006 … Law dictionary
cataract — (n.) early 15c., from L. cataracta waterfall, from Gk. katarhaktes waterfall, broken water; swooping, rushing down; portcullis, noun use of adjective from kata down (see CATA (Cf. cata )) + arhattein to strike hard. Its alternative sense in Latin … Etymology dictionary
cataract — n *flood, deluge, inundation, torrent, spate … New Dictionary of Synonyms
cataract — ► NOUN 1) a large waterfall. 2) a medical condition in which the lens of the eye becomes progressively opaque, resulting in blurred vision. ORIGIN Latin cataracta waterfall, floodgate , also portcullis (sense 2 probably being a figurative use of… … English terms dictionary
Cataract — For other uses, see Cataract (disambiguation). Cataract Classification and external resources Magnified view of cataract in human eye, seen on examination with a slit lamp using diffuse illumination … Wikipedia
Cataract — A clouding of the lens of the eye. The normally clear aspirin sized lens of the eye starts to become cloudy. The result is much like smearing grease over the lens of a camera. It impairs normal vision. There are many causes of cataracts including … Medical dictionary
