There are four varieties of commercially viable coffee: Arabica, Liberica, Excelsa, and Robusta. Growers predominantly plant the Arabica species. Although less popular, Robusta tastes slightly more bitter and contains more caffeine.
CATARACT
cataract
(noun) a large waterfall; violent rush of water over a precipice
cataract
(noun) an eye disease that involves the clouding or opacification of the natural lens of the eye
Source: WordNet® 3.1
Etymology
Noun
cataract (plural cataracts)
(obsolete) A waterspout
A large waterfall; steep rapids in a river.
A flood of water
An overwhelming downpour or rush
(pathology) a clouding of the lens in the eye leading to a decrease in vision.
Source: Wiktionary
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.)
Definition: 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.)
Definition: A kind of hydraulic brake for regulating the action of pumping engines and other machines; -- sometimes called dashpot.
Source: Webster’s Unabridged Dictionary 1913 Edition
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Word of the Day
21 June 2025
SUFFOCATION
(noun) the condition of being deprived of oxygen (as by having breathing stopped); “asphyxiation is sometimes used as a form of torture”
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