Dictionary
Thesaurus
Medical
Scrabble®
Spanish Central
Browse DictionaryBrowse Thesaurus
Get our free apps!iPhone•iPad•Android
Games
Word of the Day
Video
Blog: Words at Play
My Faves
Dictionary

extrusive

adjective ex·tru·sive \ik-ˈstrü-siv, -ziv\

Definition of EXTRUSIVE

:  relating to or formed by geological extrusion from the earth in a molten state or as volcanic ash
See extrusive defined for kids
ADVERTISEMENT

First Known Use of EXTRUSIVE

1816

Rhymes with EXTRUSIVE

allusive, collusive, conclusive, conducive, delusive, diffusive, effusive, elusive, exclusive, illusive, inclusive, intrusive, obtrusive, preclusive, prelusive, protrusive, reclusive, suffusive

Browse

Next Word in the Dictionary: extuberancePrevious Word in the Dictionary: extrusionAll Words Near: extrusive
ADVERTISEMENT
10 Charming Words for Nasty People
Put-downs with flair
Learn More
When "Literally" isn't, well, literal
How to use a word that (literally) drives some people nuts.
Watch Now
Know what this is?
Test your vocab with our fun, fast game
Go Play
Fear of cats?
Ailurophobia, and 9 other unusual fears
Learn More
Join Us
Merriam-Webster
on Facebook
Merriam-Webster
on Twitter
Bookstore: Digital and Print
Merriam-Webster references for Mobile, Kindle, print, and more.
See All
Other Merriam-Webster Dictionaries