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[e-pok-sahyd, ih-pok-] /ɛˈpɒk saɪd, ɪˈpɒk-/
noun, Chemistry.
an organic chemical that contains a group consisting of an oxygen atom bound to two already connected atoms, usually carbon (epoxy group)
Compare epoxy (def 2).
Origin of epoxide Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for epoxide


  1. a compound containing an oxygen atom joined to two different groups that are themselves joined to other groups
  2. (as modifier): epoxide resin
Word Origin
C20: from epi- + oxide
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
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epoxide in Science
A ring-shaped compound consisting of an oxygen atom bonded to two other atoms, usually of carbon, that are already bonded to each other. Epoxides are used to make epoxies.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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