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.
UNUSABLE
unserviceable, unusable, unuseable
(adjective) not capable of being used
Source: WordNet® 3.1
Etymology
Adjective
unusable (comparative more unusable, superlative most unusable)
Not usable.
Source: Wiktionary
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20 April 2025
SALAD
(noun) food mixtures either arranged on a plate or tossed and served with a moist dressing; usually consisting of or including greens
Coffee Trivia
