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.
kilohertz, kHz, kilocycle per second, kilocycle, kc
(noun) one thousand periods per second
Source: WordNet® 3.1
kilohertz (plural kilohertz or kilohertzes)
A unit of frequency equal to one thousand cycles per second; one thousand hertz
• kilocycle
Source: Wiktionary
21 June 2025
(noun) the condition of being deprived of oxygen (as by having breathing stopped); “asphyxiation is sometimes used as a form of torture”
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.