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.
CYANOETHYLATION
Etymology
Noun
cyanoethylation (plural cyanoethylations)
(organic chemistry) Any reaction, or treatment, with acrylonitrile, especially such treatment of cotton fabric to improve its strength and make it easier to dye
Source: Wiktionary
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11 May 2025
MALLET
(noun) a light drumstick with a rounded head that is used to strike such percussion instruments as chimes, kettledrums, marimbas, glockenspiels, etc.
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