Quinone Definition

kwĭ-nōn, kwĭnōn
noun
Either of two isomeric compounds, C6H4O2, especially the yellow, crystalline isomer used in making dyes.
Webster's New World
Any of various quinonoid compounds, often yellow to red in color, many of which have biological derivation or importance, such as coenzyme-Q.
American Heritage Medicine
Any of a series of compounds of this type.
Webster's New World

(organic chemistry) Any of a class of aromatic compounds having two carbonyl functional groups in the same six-membered ring.

Wiktionary
Synonyms:

Other Word Forms of Quinone

Noun

Singular:
quinone
Plural:
quinones

Origin of Quinone

Quinone Sentence Examples

  • A deep red solution was obtained, but the free quinone was not isolated since the solution on standing deposits nearly black crystals of dihydroxyphenylhydroxybenzoquinone (HO)2C6H3 C6H202.OH.

  • For naphthalene quinones see Naphthalene; for anthracene quinone see Anthraquinone; and for phenanthrene quinone see Phena Nt H Rene.

  • Hantzsch (Ber., 18 99, 3 2, pp. 59 o, 3089) considers that the oxyazo compounds are to be classed as pseudoacids, possessing in the free condition the configuration of quinone hydrazones, their salts, however, being of the normal phenolic type.

  • The so-called chrysophanic acid found in Xanthoria (Physcia) parietina is not an acid but a quinone and is better termed physcion.

  • On oxidation .ith chromic acid it forms a quinone, C 15 H 8 0 2, and an a-diphenylene keto carboxylic acid C E I-4 3.

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Words Starting With

QQUQUI

Words Ending With

ENEONE

Unscrambles

quinone

Words Starting With Q and Ending With E

Starts With Q & Ends With EStarts With QU & Ends With EStarts With Q & Ends With NE

Word Length

7 Letter Words7 Letter Words Starting With Q7 Letter Words Ending With E