epoxy

noun
ep·​oxy | \ i-ˈpäk-sē How to pronounce epoxy (audio) \
plural epoxies

Definition of epoxy

 (Entry 1 of 3)

: epoxy resin Incorporating such ingredients as carbon and aramid fibers, graphite, epoxies and ceramics, these corrosion-resistant composites could replace steel cables and concrete decks, cutting weight by as much as two-thirds.— J. Taylor Buckley

epoxy

verb
epoxied or epoxyed; epoxying

Definition of epoxy (Entry 2 of 3)

transitive verb

: to glue, fill, or coat with epoxy resin

epoxy

adjective

Definition of epoxy (Entry 3 of 3)

1 : containing oxygen attached to two different atoms already united in some other way specifically : containing a 3-membered ring consisting of one oxygen and two carbon atoms
2 : of or relating to an epoxide

First Known Use of epoxy

Noun

1954, in the meaning defined above

Verb

1966, in the meaning defined above

Adjective

1916, in the meaning defined at sense 1

History and Etymology for epoxy

Adjective

epi- + oxy

Keep scrolling for more

Learn More about epoxy

Statistics for epoxy

Look-up Popularity

Time Traveler for epoxy

The first known use of epoxy was in 1916

See more words from the same year

Keep scrolling for more

More Definitions for epoxy

epoxy

noun

English Language Learners Definition of epoxy

: a type of glue

epoxy

adjective
ep·​oxy | \ i-ˈpäk-sē How to pronounce epoxy (audio) \

Medical Definition of epoxy

: containing oxygen attached to two different atoms already united in some other way specifically : containing a 3-membered ring consisting of one oxygen and two carbon atoms

More from Merriam-Webster on epoxy

Spanish Central: Translation of epoxy

Nglish: Translation of epoxy for Spanish Speakers

Comments on epoxy

What made you want to look up epoxy? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

showing courage and determination

Get Word of the Day daily email!

Test Your Vocabulary

Words for Summer: A Quiz

  • a closeup of a sunflower
  • Which of the following words means “of or relating to summer”?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!