Hornstone

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    hornfels countable, uncountable
  2. 2
    a fine-grained metamorphic rock formed by the action of heat on clay rocks wordnet

Etymology

From horn + stone, translation of hornfels.

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