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.
shrillness, stridence, stridency
(noun) having the timbre of a loud high-pitched sound
Source: WordNet® 3.1
stridency (countable and uncountable, plural stridencies)
The quality of being strident.
• (quality of being strident): stridence
• encyrtids, nycterids
Source: Wiktionary
13 May 2025
(adjective) in a state of mental numbness especially as resulting from shock; “he had a dazed expression on his face”; “lay semiconscious, stunned (or stupefied) by the blow”; “was stupid from fatigue”
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.