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.
ZWITTERION
Etymology
Noun
zwitterion (plural zwitterions)
(chemistry) A molecule, such as an amino acid, that carries both a positive and a negative charge.
Synonyms
• inner salt
• dipolar ion
Source: Wiktionary
Recent Word Finds
Word of the Day
21 January 2025
TRACE
(verb) follow, discover, or ascertain the course of development of something; “We must follow closely the economic development is Cuba”; “trace the student’s progress”; “trace one’s ancestry”
Coffee Trivia
