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.
ulmins
plural of ulmin
• Sumlin, muslin, unslim
Source: Wiktionary
Ul"min, n. Etym: [L. ulmus an elm: cf. F. ulmine.] (Chem.)
Definition: A brown amorphous substance found in decaying vegetation. Cf. Humin. [Formerly written ulmine.]
Source: Webster’s Unabridged Dictionary 1913 Edition
28 May 2025
(noun) a distinctive but intangible quality surrounding a person or thing; “an air of mystery”; “the house had a neglected air”; “an atmosphere of defeat pervaded the candidate’s headquarters”; “the place had an aura of romance”
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.