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.
unthinkable
(adjective) incapable of being conceived or considered
Source: WordNet® 3.1
unthinkable (comparative more unthinkable, superlative most unthinkable)
Incapable of being believed; incredible.
Inconceivable or unimaginable; extremely improbable in a way that goes against common sense.
Source: Wiktionary
28 November 2024
(noun) the fusion of originally different inflected forms (resulting in a reduction in the use of inflections)
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.