abyssolith

English

Etymology

abyss (“deep”) +‎ -lith (“stone”)

Pronunciation
  • (US) IPA(key): /əˈbɪs.ə.lɪθ/

Noun

abyssolith (plural abyssoliths)

  1. (geology) A mass of igneous rock deep in the crust with no known bottom; a large batholith.
    • 1920, Amadeus William Grabau, A Textbook of Geology: General Geology:
      An abyssolith, then, is a mass of rock, generally granite or one of the more basic rocks of this type...

References
  • Philip Babcock Gove (editor), Webster's Third International Dictionary of the English Language, Unabridged (G. & C. Merriam Co., 1976 [1909], →ISBN), page 9
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