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.
steradian, sr
(noun) the unit of solid angle adopted under the Systeme International d’Unites
strontium, Sr, atomic number
(noun) a soft silver-white or yellowish metallic element of the alkali metal group; turns yellow in air; occurs in celestite and strontianite
Source: WordNet® 3.1
8 April 2025
(adjective) pleasingly persuasive or intended to persuade; “a coaxing and obsequious voice”; “her manner is quiet and ingratiatory and a little too agreeable”
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.