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.
SESQUIOXIDES
Noun
sesquioxides
plural of sesquioxide
Source: Wiktionary
SESQUIOXIDE
Ses`qui*ox"ide, n. Etym: [Sesqui- + oxide.] (Chem.)
Definition: An oxide containing three atoms of oxygen with two atoms (or radicals) of some other substance; thus, alumina, Al2O3 is a sesquioxide.
Source: Webster’s Unabridged Dictionary 1913 Edition
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14 April 2025
FOCUS
(noun) maximum clarity or distinctness of an image rendered by an optical system; “in focus”; “out of focus”
Coffee Trivia
