batholith: Meaning and Definition of

bath•o•lith

Pronunciation: (bath'u-lith), [key]
— n. Geol.
  1. a large body of intrusive igneous rock believed to have crystallized at a considerable depth below the earth's surface; pluton.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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