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.
cuprite
(noun) a mineral consisting of cuprous oxide that is a source of copper
Source: WordNet® 3.1
cuprite (countable and uncountable, plural cuprites)
(mineral) A mineral composed of cuprous oxide and a minor ore of copper.
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Source: Wiktionary
Cu"prite (k"prt), n. (Min.)
Definition: The red oxide of copper; red copper; an important ore of copper, occurring massive and in isometric crystals.
Source: Webster’s Unabridged Dictionary 1913 Edition
27 January 2025
(adjective) capable of being split or cleft or divided in the direction of the grain; “fissile crystals”; “fissile wood”
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.