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.
VOLBORTHITE
Vol"borth*ite, n. Etym: [So named after Volborth, who first discovered it.] (Min.)
Definition: A mineral occurring in small six-sided tabular crystals of a green or yellow color. It is a hydrous vanadate of copper and lime.
Source: Webster’s Unabridged Dictionary 1913 Edition
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Word of the Day
9 May 2025
RIGHT
(noun) anything in accord with principles of justice; “he feels he is in the right”; “the rightfulness of his claim”
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