In 1511, leaders in Mecca believed coffee stimulated radical thinking and outlawed the drink. In 1524, the leaders overturned that order, and people could drink coffee again.
QUINONE
quinone, benzoquinone
(noun) any of a class of aromatic yellow compounds including several that are biologically important as coenzymes or acceptors or vitamins; used in making dyes
Source: WordNet® 3.1
Etymology
Noun
quinone (plural quinones)
(organic compound) Any of a class of aromatic compounds having two carbonyl functional groups in the same six-membered ring.
Source: Wiktionary
Qui"none, n. Etym: [Quinine + ketone.] (Chem.)
Definition: A crystalline substance, C6H4O2 (called also benzoketone), first obtained by the oxidation of quinic acid and regarded as a double ketone; also, by extension, any one of the series of which quinone proper is the type. [Written also chinone, kinone.]
Source: Webster’s Unabridged Dictionary 1913 Edition
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Word of the Day
23 February 2025
BARGAIN
(noun) an advantageous purchase; “she got a bargain at the auction”; “the stock was a real buy at that price”
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