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.
tetramethyl (uncountable)
(organic chemistry) (in combination) Four methyl groups in a molecule.
Source: Wiktionary
11 June 2025
(adjective) having relatively few calories; “diet cola”; “light (or lite) beer”; “lite (or light) mayonnaise”; “a low-cal diet”
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.