Laccolith

Pronunciation

• US IPA: /lækÉ™liɵ/

Origin

Ancient Greek λάκκος (lakkos, "cistern") + λίθος (lithos, "stone")

Full definition of laccolith

Noun

1. (geology) a mass of igneous or volcanic rock found within strata which forces the overlaying strata upwards and forms domes.
2. mass similar to lopolith but concave up.