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.
Al*ma"gra, n. Etym: [Sp. almagra, almagre, fr. Ar. al-maghrah red clay or earth.]
Definition: A fine, deep red ocher, somewhat purplish, found in Spain. It is the sil atticum of the ancients. Under the name of Indian red it is used for polishing glass and silver.
Source: Webster’s Unabridged Dictionary 1913 Edition
29 May 2025
(adjective) characterized by careful evaluation and judgment; “a critical reading”; “a critical dissertation”; “a critical analysis of Melville’s writings”
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.