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.
COMMUTATE
commutate
(verb) reverse the direction of (an alternating electric current) each half cycle so as to produce a unidirectional current
Source: WordNet® 3.1
Etymology
Verb
commutate (third-person singular simple present commutates, present participle commutating, simple past and past participle commutated)
(transitive, electronics) To reverse the direction of (a current).
(transitive, electronics) To convert from being or using an alternating current into being or using a direct current.
(intransitive, mathematics) To commute; to be invariant under a reversal of the positions of operands.
(transitive, finance) To commute; to change one kind of payment into another, especially to convert from several installments to a single lumpsum payment.
(transitive, law) To remove or reduce the legal obligations or restrictions on
(transitive) To transform, especially into a reversed or opposite form.
Source: Wiktionary
Recent Word Finds
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9 June 2025
HERMAPHRODITE
(noun) one having both male and female sexual characteristics and organs; at birth an unambiguous assignment of male or female cannot be made
Coffee Trivia
