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.
DIFFRANGIBLE
Adjective
diffrangible (comparative more diffrangible, superlative most diffrangible)
Able to be diffracted.
Source: Wiktionary
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18 May 2025
OBLIQUE
(adjective) slanting or inclined in direction or course or position--neither parallel nor perpendicular nor right-angled; “the oblique rays of the winter sun”; “acute and obtuse angles are oblique angles”; “the axis of an oblique cone is not perpendicular to its base”
Coffee Trivia
