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.
fissile
(adjective) capable of being split or cleft or divided in the direction of the grain; “fissile crystals”; “fissile wood”
fissionable, fissile
(adjective) capable of undergoing nuclear fission; “a fissionable nucleous”; “fissionable material”
Source: WordNet® 3.1
fissile (comparative more fissile, superlative most fissile)
Able to be split
(geology) Easily split along a grain
(physics) Capable of undergoing nuclear fission, especially by collision with a thermal neutron
Source: Wiktionary
Fis"sile, a. Etym: [L. fissilis, fr. fissus, p.p. of findere to split. See Fissure.]
Definition: Capable of being split, cleft, or divided in the direction of the grain, like wood, or along natural planes of cleavage, like crystals. This crystal is a pellucid, fissile stone. Sir I. Newton.
Source: Webster’s Unabridged Dictionary 1913 Edition
3 May 2025
(adjective) worth having or seeking or achieving; “a desirable job”; “computer with many desirable features”; “a desirable outcome”
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.