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benzoquinone

British  
/ ˌbɛnzəʊkwɪˈnəʊn, -ˈkwɪnəʊn /

noun

  1. Also called: quinone.  Systematic name: cyclohexadiene-1,4-quinone.  a yellow crystalline water-soluble unsaturated ketone manufactured from aniline and used in the production of dyestuffs. Formula: C 6 H 4 O 2

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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Thus there is quinone itself, or benzoquinone, which is benzene with two atoms of oxygen replacing two atoms of hydrogen.

From Coal and What We Get from It by Meldola, Raphael

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.