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.
Cav"il*ous or Cav"il*lous, a. Etym: [L. cavillosus.]
Definition: Characterized by caviling, or disposed to cavil; quibbing. [R.]
– Cav"il*ous*ly, adv. [R.] -- Cav"il*ous*ness, n. [R.]
Source: Webster’s Unabridged Dictionary 1913 Edition
12 June 2025
(noun) a decrease in the density of something; “a sound wave causes periodic rarefactions in its medium”
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.