laccolith Hear it!

laccolith definition

lac·co·lith (lak′ə lit̸h′)

noun

a dome-shaped, irregular formation of intrusive igneous rock found between layers of sedimentary rock

Etymology: < Gr lakkos, a cistern + -lith

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.