intumescent

adjective
in·​tu·​mes·​cent | \ ˌin-tü-ˈme-sᵊnt How to pronounce intumescent (audio) , -tyü-\

Definition of intumescent

of paint
: swelling and charring when exposed to flame

First Known Use of intumescent

1953, in the meaning defined above

Keep scrolling for more

Learn More about intumescent

Statistics for intumescent

Look-up Popularity

Time Traveler for intumescent

The first known use of intumescent was in 1953

See more words from the same year

Keep scrolling for more

More Definitions for intumescent

intumescent

adjective
in·​tu·​mes·​cent | \ -ᵊnt How to pronounce intumescent (audio) \

Medical Definition of intumescent

: marked by intumescence

More from Merriam-Webster on intumescent

Rhyming Dictionary: Words that rhyme with intumescent

Comments on intumescent

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

WORD OF THE DAY

behavior toward others

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”?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

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!