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.
In*cer"tum, a.
Definition: Doubtful; not of definite form. Opus incertum (Anc. Arch.), a kind of masonry employed in building walls, in which the stones were not squared nor laid in courses; rubblework.
Source: Webster’s Unabridged Dictionary 1913 Edition
23 February 2025
(noun) an advantageous purchase; “she got a bargain at the auction”; “the stock was a real buy at that price”
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.