laccolitic

/lækəˈlɒtɪk/

Definitions

1. adjective

Relating to or forming a laccolith, a sheet-like mass of igneous rock that has forced its way up through a pre-existing rock layer.

“The geologist studied the laccolitic intrusion in the mountain range.”

2. noun

A laccolith, a sheet-like mass of igneous rock that has forced its way up through a pre-existing rock layer.

“The researchers identified several laccolitic formations in the region.”

Synonyms

  • intrusive
  • volcanic

Antonyms

  • eruptive
  • extrusive