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.
INVARIANCE
invariance
(noun) the nature of a quantity or property or function that remains unchanged when a given transformation is applied to it; “the invariance of the configuration under translation”
invariability, invariableness, invariance
(noun) the quality of being resistant to variation
Source: WordNet® 3.1
Etymology
Noun
invariance (countable and uncountable, plural invariances)
The property of being invariant.
Hyponyms
• Lorentz invariance (physics)
Anagrams
• vicenarian
Source: Wiktionary
In*va"ri*ance, n. (Math.)
Definition: The property of remaining invariable under prescribed or implied conditions. J. J. Sylvester.
Source: Webster’s Unabridged Dictionary 1913 Edition
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Word of the Day
4 April 2025
GUILLOTINE
(verb) kill by cutting the head off with a guillotine; “The French guillotined many Vietnamese while they occupied the country”
Coffee Trivia
