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.
vacuousness
(noun) indicative of or marked by mental vacuity and an absence of ideas; “the vacuousness of her face belied her feelings”
Source: WordNet® 3.1
vacuousness (uncountable)
the quality of being vacuous
Source: Wiktionary
Vac"u*ous*ness, n.
Definition: The quality or state of being vacuous; emptiness; vacuity. W. Montagu.
Source: Webster’s Unabridged Dictionary 1913 Edition
8 January 2025
(noun) Eurasian maple tree with pale grey bark that peels in flakes like that of a sycamore tree; leaves with five ovate lobes yellow in autumn
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.