noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A 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..."

Example

More examples

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

Etymology

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

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