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.
biannually
(adverb) twice a year; “we hold our big sale biannually”
Source: WordNet® 3.1
biannually (not comparable)
Taking place twice per year, semiannually.
Taking place every two years, biennially.
• Some authorities report confusion between biennially and biannually. Using "semiannually" may reduce the risk of confusion.
• semiannually
Source: Wiktionary
Bi*an"nu*al, a. [Pref. bi- + annual.]
Definition: Occurring twice a year; half-yearly; semiannual.
Source: Webster’s Unabridged Dictionary 1913 Edition
19 May 2025
(adjective) of or made from or using substances produced by or used in reactions involving atomic or molecular changes; “chemical fertilizer”
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.