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.
icosahedron
(noun) any polyhedron having twenty plane faces
Source: WordNet® 3.1
icosahedra
plural of icosahedron
Source: Wiktionary
I`co*sa*he"dron, n. Etym: [Gr. (Geom.)
Definition: A solid bounded by twenty sides or faces. Regular icosahedron, one of the five regular polyhedrons, bounded by twenty equilateral triangules. Five triangules meet to form each solid angle of the polyhedron.
Source: Webster’s Unabridged Dictionary 1913 Edition
6 October 2024
(adjective) of such great duration as to preclude the possibility of being assigned a date; “dateless customs”
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.