Definition of batholith in English:

batholith

noun

Geology
  • A very large igneous intrusion extending deep in the earth's crust.

    • ‘The batholith extends into the west Kimberley, and is more than 750 km long and about 60-70 km wide.’
    • ‘The currently accepted name for this part of the craton is the Murehwa batholith.’
    • ‘Below the transparent batholith, the crust is very reflective to depths of c.20 km.’
    • ‘The lower crust beneath the Dzhabyk batholith is only weakly reflective and the Moho is not imaged.’
    • ‘The magmas that formed the batholith were generated in response to the subduction of the Farallon plate beneath the North American plate.’

Origin

Early 20th century: coined in German from Greek bathos depth + -lith.

Pronunciation:

batholith

/ˈbaTHəˌliTH/