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.
ectoparasite, ectozoan, ectozoon, epizoan, epizoon
(noun) any external parasitic organism (as fleas)
Source: WordNet® 3.1
ectozoon (plural ectozoons or ectozoa)
(zoology) An epizoon.
Source: Wiktionary
Ec`to*zo"ön, n.; pl. Ectozoa. Etym: [NL., fr. Gr. (Zoöl.)
Definition: See Epizoön.
Source: Webster’s Unabridged Dictionary 1913 Edition
12 June 2025
(noun) a decrease in the density of something; “a sound wave causes periodic rarefactions in its medium”
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.