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.
vitrain (countable and uncountable, plural vitrains)
A constituent of banded bituminous coal consisting of a horizontal glossy band of friable material.
• fusain
• antivir
Source: Wiktionary
29 April 2024
(noun) a geological process in which one edge of a crustal plate is forced sideways and downward into the mantle below another plate
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.