laccolith


lac·co·lith

noun \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 dye
Previous Word in the Dictionary: laccol
All Words Near: laccolith

Seen & Heard

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