Definition of laccolith in English:

laccolith

Syllabification: lac·co·lith
Pronunciation: /ˈlakəˌliTH
 
/

noun

Geology
A mass of igneous rock, typically lens-shaped, that has been intruded between rock strata causing uplift in the shape of a dome.
More example sentences
  • Nearby Lime Butte, Gypsum Butte, and Green Mountain are all laccoliths with varying degrees of exposure.
  • Based on the position of the dikes, where was the source of the magma for the laccoliths located?
  • The larger area below the laccolith could cover an area as large as several states.

Origin

late 19th century: from Greek lakkos 'reservoir' + -lith.

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