Laccolith Definition

lăkə-lĭth
noun
A dome-shaped, irregular formation of intrusive igneous rock found between layers of sedimentary rock.
Webster's New World

Mass similar to lopolith but concave up.

Wiktionary

Other Word Forms of Laccolith

Noun

Singular:
laccolith
Plural:
laccoliths

Origin of Laccolith

  • Ancient Greek λάκκος (lakkos, “cistern”) + λίθος (lithos, “stone”)

    From Wiktionary

  • Greek lakkos pond, cistern –lith

    From American Heritage Dictionary of the English Language, 5th Edition

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