Word Study
batholith
CIDE DICTIONARY
batholith, n. [Gr. baqo`s depth + -lith.].
A large mass of intrusive igneous rock believed to have solidified deep within the earth. [WordNet 1.5]
OXFORD DICTIONARY
batholith, n. a dome of igneous rock extending inwards to an unknown depth.
Etymology
G f. Gk bathos depth + -LITH
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