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 (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.


(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


(kwɪˈnoʊn, ˈkwɪn oʊn)

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]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.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
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
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
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."
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.
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.
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.
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.
John Dizon dominated Round 1 and Miguel Quinones ruled Round 2 as they stole the thunder from pre-race favorite Bianca Bustamante in the back-to-back kickoff legs of the 2019 Petron Blaze 100 GP Super Karting Series before a huge crowd at the Palawan International Circuit recently.
Caballero Bonald y Quinones: Viaje literario por Andalucia.
Javier Quinones is departing to become retail manager in the US on March 1, after just eight months in charge of the UK and Ireland business, the Press Association can reveal.
Tara Quinones hadn't heard anything from her uncle, David Marbury, for eight days before she drove north from the San Francisco Bay Area to give a sample Friday.
"When we moved into this facility about four years ago, we were using taller rack than we had used in our older, smaller facilities," explains John Quinones, director of operations.
IKEA's retail manager Javier Quinones said: "The opening of this new city-centre shop marks an exciting development for the IKEA business as we continue to innovate and transform to better meet the needs of our customers.