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.
niobiums
plural of niobium
Source: Wiktionary
Ni*o"bi*um, n. Etym: [NL., fr. L. & E. Niobe.] (Chem.)
Definition: A later name of columbium. See Columbium.
Source: Webster’s Unabridged Dictionary 1913 Edition
30 May 2025
(noun) (sports) a return made with the palm of the hand facing the direction of the stroke (as in tennis or badminton or squash)
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.