a large body of intrusive igneous rock believed to have crystallized at a considerable depth below the earth's surface; pluton.
Origin of batholith
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for batholith
Historical Examples of batholith
Upon the southwestern border of the batholith the number of aplitic dikes greatly increases.The Andes of Southern Peru
a very large irregular-shaped mass of igneous rock, esp granite, formed from an intrusion of magma at great depth, esp one exposed after erosion of less resistant overlying rocks
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Online Etymology Dictionary, © 2010 Douglas Harper
A large mass of igneous rock that has intruded and melted surrounding strata at great depths. Batholiths usually have a surface area of over 100 km2 (38 mi2).
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.