abyssolith

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US/əˈbɪs.ə.lɪθ/

noun

A mass of igneous rock deep in the crust with no known bottom; a large batholith.

Scrabble 18
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Meanings

nounabyssolith (plural abyssoliths)

plural abyssoliths

  1. geographyA mass of igneous rock deep in the crust with no known bottom; a large batholith.

    An abyssolith, then, is a mass of rock, generally granite or one of the more basic rocks of this type...

    1920, Amadeus William Grabau, A Textbook of Geology: General Geology

Origin

From abyss (“deep”) + -lith (“stone”).

Full word history & related roots →
Cite this entry
APA

abyssolith. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/abyssolith

MLA

“abyssolith.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/abyssolith. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “abyssolith,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/abyssolith.

Source: abyssolith on Wiktionary, CC BY-SA 4.0.