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[ih-pok-see, ih-pok-] /ɪˈpɒk si, ɪˈpɒk-/ Chemistry
having the structure of an epoxide.
noun, plural epoxies.
Also called epoxy resin. any of a class of resins derived by polymerization from epoxides: used chiefly in adhesives, coatings, electrical insulation, solder mix, and castings.
verb (used with object), epoxied, epoxying.
to bond (two materials) by means of an epoxy resin.
Origin of epoxy
First recorded in 1915-20; ep- + oxy-2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for epoxy resin
Historical Examples
  • Made of epoxy resin glass-fiber material, treated to look like wood.

    Border, Breed Nor Birth Dallas McCord Reynolds
British Dictionary definitions for epoxy resin

epoxy resin

any of various tough resistant thermosetting synthetic resins containing epoxy groups: used in surface coatings, laminates, and adhesives


adjective (chem)
of, consisting of, or containing an oxygen atom joined to two different groups that are themselves joined to other groups: epoxy group
of, relating to, or consisting of an epoxy resin
noun (pl) epoxies
short for epoxy resin
Word Origin
C20: from epi- + oxy-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
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Word Origin and History for epoxy resin



1916, in reference to certain chemical compounds, from epi- + first element of oxygen (epoxy- is used as a prefix in chemistry). Resins from them are used as powerful glues. Hence the verb meaning "to bond with epoxy" (1965). Related: Epoxied.

Online Etymology Dictionary, © 2010 Douglas Harper
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epoxy resin in Medicine

epoxy ep·ox·y (ĭ-pŏk'sē)
Any of various usually thermosetting resins capable of forming tight cross-linked polymer structures characterized by toughness, strong adhesion, and low shrinkage, used especially in surface coatings and adhesives. adj.
Containing an oxygen atom bound to two different atoms linked in some other way, especially a compound containing a ring formed by one oxygen atom and two carbon atoms.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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epoxy resin in Science
Any of various artificial resins made of chains of epoxide rings. Epoxies are tough, very adhesive, and resistant to chemicals. They are used to make protective coatings and glues. Also called epoxy resin.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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epoxy resin in Culture
epoxy [(i-pok-see)]

A high-strength adhesive, often made of two different materials that must be mixed together just prior to use.

The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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