Batholith

noun

noun ·3 syllables ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A large irregular mass of intrusive igneous rock that has melted or forced itself into surrounding strata
  2. 2
    large mass of intrusive igneous rock believed to have solidified deep within the earth wordnet

Etymology

From batho- + -lith.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.