Dictionary

laccolith

laccolith

noun lac·co·lith \ˈla-kə-ˌlith\

Definition of LACCOLITH

:  a mass of igneous rock that is intruded between sedimentary beds and produces a domical bulging of the overlying strata
lac·co·lith·ic \ˌla-kə-ˈli-thik\ adjective

Origin of LACCOLITH

Greek lakkos pond, reservoir + English -lith — more at lake
First Known Use: 1879

Browse

Next Word in the Dictionary: lac dyePrevious Word in the Dictionary: laccolAll Words Near: laccolith
February 26, 2015
captious Hear it
Tending to find fault and raise objections
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears