quinone

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Related to quinone: benzoquinone, quinine, hydroquinone

qui·none

(kwĭ-nōn′, kwĭn′ōn′)

1. Either of two isomeric unsaturated cyclic compounds having the formula C₆H₄O₂, found widely in plants, especially in a yellow crystalline form, and used in making dyes, tanning hides, and photography.

2. 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® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

quinone

(kwɪˈnəʊn; ˈkwɪnəʊn)

(Elements & Compounds) another name for benzoquinone

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

qui•none

(kwɪˈnoʊn, ˈkwɪn oʊn)

n.

1. a yellow, crystalline, cyclic compound, C₆H₄O₂, used chiefly in photography and in tanning leather.

2. any of a class of compounds of this type.

[1850–55; quin(ic acid) a compound found in cinchona bark and the leaves of other plants(quinic < Sp quin(a) quinine + -ic) + -one]

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Noun

quinone - any of a class of aromatic yellow compounds including several that are biologically important as coenzymes or acceptors or vitamins; used in making dyes

benzoquinone

chemical compound, compound - (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight

coenzyme Q, ubiquinone - any of several quinones found in living cells and that function as coenzymes that transfer electrons from one molecule to another in cell respiration

Translations

chinone

hinons

References in classic literature ?

I shall be told that the jousts of Suero de Quinones, him of the 'Paso,' and the emprise of Mosen Luis de Falces against the Castilian knight, Don Gonzalo de Guzman, were mere mockeries; as well as many other achievements of Christian knights of these and foreign realms, which are so authentic and true, that, I repeat, he who denies them must be totally wanting in reason and good sense."

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An association has been found between the intake of pyrroloquinoline quinone (PQQ) in obese mice and a lower risk of developing nonalcoholic fatty liver disease (NAFLD) in their offspring.

PQQ Protects Against Fatty Liver

Included is a rubber composition for tires including: a rubber component; a naturally occurring wax containing 40-98% by mass of an ester component; a phenylenediamine antioxidant and/or a quinone antioxidant; and a specific nonionic surfactant, the rubber composition having an amount of diene rubber of 70-100% by mass per 100% by mass of the rubber component, the rubber composition having an amount of the naturally occurring wax of 0.01-5.0 parts by mass, an amount of petroleum-derived wax of 0-6.0 parts by mass, a combined amount of the phenylenediamine antioxidant and the quinone antioxidant of 1.0-8.0 parts by mass, and an amount of the nonionic surfactant of 0.15.0 parts by mass, each per 100 parts by mass of the rubber component.

Tire rubber composition and pneumatic tire

Thus the kinetics of hydrogen bond formation and the number of hydrogen bonds formed in quinone anion radicals / dianion offers attractive area of study.

Kinetic Studies on Hydrogen Bonding in Quinone Anion Radical and the Dianion of Tetramethyl-1,4-Benzoquinone

This volume, part of a series structured to illustrate the widest range of literature on specific reactive intermediaries, illustrates the literature on quinone methides, quinone analogues in which carbonyl oxygens are replaced by methylene groups.

Quinone methides

However, reduction of the quinone moiety of daunorubicin and doxorubicin by carbonyl reductase has previously not been observed.

Anthraquinone substrates of carbonyl reductase

Instead, quinhydrone, a 1:1 addition compound of hydroquinone and quinone is isolated in high yields (70-90%).

Reactions of nitrogen oxide and other reactive nitrogen species with substituted phenols

With his first victories of the 12-round national series, Kim shared the limelight with Zach David and Miguel Quinones who split the ROK Junior honors, Melwin William Tan and Joharry Suba who ruled the Mini ROK races, back-to-back Formula Cadet Novice champion Jesus Antonio Garcia, Masters victors Ronn Catindig and Arvin Drueco and Veterans repeat winner Rommel Herce.

Kim back on track, rules GP Super Karting

It was the same dress posted in Vestido Manila, a Manila-based rental website, co-owned by Pam Quinones, the stylist credited in Ganados' photo.

The case of Lesley Mobo's missing red dress

by national team coach Reinhardt Gorantes, Go For Gold's Daniel Ven Carino and Ismael Gorospe, Celeste Cycle's Eusebio Quinones, 7-Eleven's Dominic Perez and Le Tour de Filipinas Chairman Donna Lina.

PHL riders ready for grind

Also scoring bronze medals for KPSFI-XI were Janna Alexandra Ramirez in the girls juniors -48kgs kumite, Stephen Cartagena in the boys cadets +48kgs kumite, Gabriel Quinones in the seniors -67kgs kumite and Jammel Tainan of University of Mindanao Tagum in the seniors -60kgs kumite.