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.
duads
plural of duad
Source: Wiktionary
Du"ad, n. Etym: [See Dyad.]
Definition: A union of two; duality. [R.] Harris.
Source: Webster’s Unabridged Dictionary 1913 Edition
22 February 2025
(noun) the use of closed-class words instead of inflections: e.g., ‘the father of the bride’ instead of ‘the bride’s father’
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.