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.
Boyle, Robert Boyle
(noun) Irish chemist who established that air has weight and whose definitions of chemical elements and chemical reactions helped to dissociate chemistry from alchemy (1627-1691)
Boyle, Kay Boyle
(noun) United States writer (1902-1992)
Source: WordNet® 3.1
23 April 2025
(adjective) not married or related to the unmarried state; “unmarried men and women”; “unmarried life”; “sex and the single girl”; “single parenthood”; “are you married or single?”
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.