Meaning Of The Word Pitchstone

Real Dictionary

What's the definition of Pitchstone? Find Pitchstone meanings, definitions and more at the Real Dictionary online.

Pitchstone Meaning

Pitchstone Definition
Pitchstone Definition

What's The Definition Of Pitchstone?

pitchstone in American English
a volcanic glass that somewhat resembles pitch and has a higher percentage of water than obsidian or other glassy rocks
noun: a glassy volcanic rock having a resinous luster and resembling hardened pitch

pitchstone in British English
noun: a dark glassy acid volcanic rock similar in composition to granite, usually intruded as dykes, sills, etc

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