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.
glue, gum, mucilage
(noun) cement consisting of a sticky substance that is used as an adhesive
mucilage
(noun) a gelatinous substance secreted by plants
Source: WordNet® 3.1
mucilage (usually uncountable, plural mucilages)
A thick gluey substance (gum) produced by many plants and some microorganisms.
Source: Wiktionary
Mu"ci*lage, n. Etym: [F., from L. mucilago a musty juice, fr. mucus mucus, slime. See Mucus.]
1. (Bot. Chem.)
Definition: A gummy or gelatinous substance produced in certain plants by the action of water on the cell wall, as in the seeds of quinces, of flax, etc.
2. An aqueous solution of gum, or of substances allied to it; as, medicinal mucilage; mucilage for fastening envelopes.
Source: Webster’s Unabridged Dictionary 1913 Edition
25 June 2025
(noun) a state of being confined (usually for a short time); “his detention was politically motivated”; “the prisoner is on hold”; “he is in the custody of police”
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.