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.
negrohead (countable and uncountable, plural negroheads)
(dated) An inferior commercial variety of india rubber made up into round masses.
(archaic, slang) cavendish tobacco
Source: Wiktionary
Ne"gro*head`, n.
Definition: An inferior commercial variety of India rubber made up into round masses.
Source: Webster’s Unabridged Dictionary 1913 Edition
10 June 2025
(noun) the discipline that studies the principles of transmiting information and the methods by which it is delivered (as print or radio or television etc.); “communications is his major field of study”
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.