[ 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

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for epoxide

/ (ɪˈpɒksaɪd) /


  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 for epoxide

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

Scientific definitions for epoxide

[ ĕ-pŏksīd ]

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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.