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.
immiscible, non-miscible, unmixable
(adjective) (chemistry, physics) incapable of mixing
Source: WordNet® 3.1
unmixable (comparative more unmixable, superlative most unmixable)
Not mixable, not able to mix
Source: Wiktionary
17 May 2025
(noun) sessile marine coelenterates including solitary and colonial polyps; the medusoid phase is entirely suppressed
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.