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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