Pitchstone

noun

Word Frequency: 0.0

Definitions

1.nounA natural glass, rich in microscopic crystallites, formed by the rapid cooling of lava or magma

The Daily Word NerdA new word, a puzzle, and a fun fact — free in your inbox every morning.

Free forever · unsubscribe anytime · all 14 newsletters

That email did not go through — please check it and try again.