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.
Wegener, Alfred Lothar Wegener
(noun) German geophysicist who proposed the theory of continental drift (1880-1930)
Source: WordNet® 3.1
30 May 2025
(noun) (sports) a return made with the palm of the hand facing the direction of the stroke (as in tennis or badminton or squash)
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.