Pitchstone

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    a natural glass, rich in microscopic crystallites, formed by the rapid cooling of lava or magma uncountable, usually
  2. 2
    dark acid granitic glass wordnet

Synonyms

All synonyms

Etymology

From pitch + stone.

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