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.
retral
(adjective) at or near or toward the posterior
retral, retrograde
(adjective) moving or directed or tending in a backward direction or contrary to a previous direction
Source: WordNet® 3.1
retral (not comparable)
back; posterior
Source: Wiktionary
26 February 2025
(adjective) marked by strong resentment or cynicism; āan acrimonious disputeā; ābitter about the divorceā
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.