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.
RHIZOBIUM
Rhizobium, genus Rhizobium
(noun) the type genus of Rhizobiaceae; usually occur in the root nodules of legumes; can fix atmospheric oxygen
Source: WordNet® 3.1
Etymology
From the genus name.
Noun
rhizobium (plural rhizobia)
(biology) Any of various bacteria, of the genus Rhizobium, that form nodules on the roots of legumes and fix nitrogen.
Hypernyms
• nitrogen fixer
Source: Wiktionary
Recent Word Finds
Word of the Day
12 May 2025
UNSEASONED
(adjective) not tried or tested by experience; “unseasoned artillery volunteers”; “still untested in battle”; “an illustrator untried in mural painting”; “a young hand at plowing”
Coffee Trivia
