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.
capsaicin
(noun) colorless pungent crystalline compound derived from capsicum; source of the hotness of hot peppers of the genus Capsicum such as chili and cayenne and jalapeno
Source: WordNet® 3.1
capsaicin (usually uncountable, plural capsaicins)
(organic compound) A chemical compound found in chilli peppers, which is responsible for their pungent flavor.
Source: Wiktionary
Cap*sa"i*cin, n. Etym: [From Capsicum.] (Chem.)
Definition: A colorless crystalline substance extracted from the Capsicum annuum, and giving off vapors of intense acridity.
Source: Webster’s Unabridged Dictionary 1913 Edition
2 July 2025
(noun) getting something back again; “upon the restitution of the book to its rightful owner the child was given a tongue lashing”
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.